Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 451057: write the equation of a line containing the given point and perpendicular to the given line. (4,-8); 4x+7y=5
The equation of the line is Y=
Click here to see answer by robertb(5830)

Question 451061: Write an equation of the line containing the given point and parallel to the given line. Express your answer in the form Y=MX+b.
(-3,3);4x=5y+6
The equation of the line is Y=
(Simplify your answer. Use integers or fractions for any numbers in the expression)
Click here to see answer by mananth(16946)

Question 451090: (4sqrt(3)-5)(2sqrt(3)+5)
(2sqrt(5)-6sqrt(7))(3sqrt(5)+sqrt(7))
Simplify
Thank you
Click here to see answer by Gogonati(855)

Question 451119: Find the product.....
(4x+3)(6x^2)
Click here to see answer by Gogonati(855)

Question 451211: 2x+3y=-4??????? i dont understand 8th grade math at all!! i was held back in 7th grade math
Click here to see answer by Alan3354(69443)

Question 451218:
Click here to see answer by jorel1380(3719)

Question 451371: The function h is is defined below
h(x)=(x+6)/(x^2+9x+8)
Find all values of x that are NOT in the domain of h.
If there is more than one value, separate them with commas.
Click here to see answer by valnadam(5)

Question 451391: 6X=X+35
6X-X=X+35
Click here to see answer by jorel1380(3719)

Question 451377: I'm so lost
The function h is is defined below
h(x)=(x+6)/(x^2+9x+8)
Find all values of x that are NOT in the domain of h.
If there is more than one value, separate them with commas.
Click here to see answer by kingme18(98)

Question 451559: hi, i really hope you choose to help me with this as i'm completely stuck! how do you work out questions such as 3x+5(8-x)=24-x
I have no idea where to start, and I also find problems like these with negative numbers extremely hard. Thank you for your time
Click here to see answer by confusedgirl81(14)

Question 451622: solve the simultaneous equations
4x+5y=0,
8x-15y=5.
x=
y=
Click here to see answer by ewatrrr(24785)

Question 451622: solve the simultaneous equations
4x+5y=0,
8x-15y=5.
x=
y=
Click here to see answer by Alan3354(69443)

Question 451627: Please help me, I'm getting every solution but the correct one for this problem, thank you!
6x+7-4x=8+7x-26
Click here to see answer by nerdybill(7384)

Question 451730: What's the exact answer to:1/2[(-15+4)+(6+7)�-3]?
Click here to see answer by MathLover1(20849)

Question 451767: I just typed this question but realized I put a typo in my email. The question is:
If the product of a number and -15 is decreased by 25, the result is 23 greater than the product of the number and 9.
Sorry I had to send this again but with the wrong email it would bounce back. Thank you very much for your help on this homework problem. I appreciate it.
Click here to see answer by pedjajov(51)

Question 451774: solve the equation
x^2+10x+15=0

Click here to see answer by stanbon(75887)

Question 451777: what is the answer of this math problem the space club is haveing some posters printed.the printer charges $250 plus $2 per poster how many posters can be printed for $1,000. this is algebra.thank you

Click here to see answer by stanbon(75887)

Question 451766: I need help with this one homework problem I don't understand how to set up:
If the product of a number and -15 is decreased by 25, the result is 23 greater than the product of the number and 9.
Thank you very much for taking the time to help me.
Click here to see answer by ankor@dixie-net.com(22740)

Question 451818: solve (include all real and imaginary solutions)
t^4+t^2=20
Click here to see answer by stanbon(75887)

Question 451838: can someonnnneeeeeee help plsssss ;(?
solve this equation. check your answer.
5/4y - 3/5y = 13/20
Click here to see answer by ewatrrr(24785)

Question 451845: I am kind of confused on the steps to a problem like this.
x+7=1/2x+1. The answer I get is -1/4. The actual answer is -12 (I believe). Don't you just follow the same steps as non-fraction equations?
Thanks
Click here to see answer by solver91311(24713)

Question 451840: can someonnnneeeeeee help plsssss ;(?
solve this equation. check your answer.
3x-1/x-2 = 5/x-2 +1
Click here to see answer by Alan3354(69443)

Question 451903: why does (3-k)/4=(k+3)/2 equal -1? in the end it gives 0=0 so why is it -1?
Click here to see answer by jorel1380(3719)

Question 451903: why does (3-k)/4=(k+3)/2 equal -1? in the end it gives 0=0 so why is it -1?
Click here to see answer by richard1234(7193)

Question 451940: given f(x) = 3x-2 and g(x) = x^2, find (g^0f)(-2)
Click here to see answer by stanbon(75887)

Question 451975: Solve the following system of equations.
x+3y=3 (1)
x=4-3y (2)
What is the solution of the system?
A. The solution is______? (type it as an ordered pair.)
B. No solution.

Click here to see answer by htmentor(1343)

Question 452028: The larger of two numbers is 6 times the smaller. Their sum is 147. Find the numbers?
Click here to see answer by Alan3354(69443)

Question 452026: The sum of three numbers is 254. the second is 3 times the first, and the third is 5 less than the second. Find the numbers?
Click here to see answer by pperoh(1)

Question 452069: Solve with the substitution method.
7m + n=12
m-8n = 75
What is the ordered pair?
Click here to see answer by AHBK(13)

Question 452025: The number of pounds of tomatoes y consumed per person in the US in year x is given by 5x-22y+286=0,
where x=0 corrsponds to 1980. Find the year in which tomato consumption per person is 18lb.
Click here to see answer by jorel1380(3719)

Question 452121: I need some help with the substitution method.
9x +8y= -21
-6x +y=33
I can't figure out the ordered pair.
Click here to see answer by stanbon(75887)

Question 452121: I need some help with the substitution method.
9x +8y= -21
-6x +y=33
I can't figure out the ordered pair.
Click here to see answer by solver91311(24713)

Question 452154: I need to solve this using the elimination method.
x + 5y=34
-x +9y = 50
The answer must be an ordered pair.
Click here to see answer by solver91311(24713)

Question 452155: 5(2x+1)/3=4x+7
Click here to see answer by Leaf W.(135)

Question 452202: Solve by the elimination method.
3x+4y=3
6x+8y=6

Click here to see answer by stanbon(75887)

Question 452199: Find the slope, if one exists, of the line containing the pair of points.
(8,7) and (9,-9)
Click here to see answer by nerdybill(7384)

Question 452211: Find the sum of the infinite geometric series.
8 + 4 + 2 + ...

Click here to see answer by stanbon(75887)

Question 452210: Find the seventh term of the geometric sequence with these first three terms.
-5/9, -5/3, -5

Click here to see answer by edjones(8007)

Question 452265: Find an equation of the line containing the given pair points.
(-3,-8) and (-9,-5)
the equation of the line in slope-intercept form is y =____________
(Simplify your answer. Use integers or fractions for any numbers in the expression)
Click here to see answer by confusedgirl81(14)

Question 452263: Write an equation of the line containing the given point and parallel to the given line. Express your answer in the form y = mx + b.
(-3,3); 4x = 5y +6
The equation of the line is y =_________________
(Simplify your answer. Use integers or fraction for any numbers in the expression)
Click here to see answer by confusedgirl81(14)

Question 452285: i need the value of P from this equasion :- (b-p)0.4 - p = n ??? can you help please thanks
Click here to see answer by stanbon(75887)

Question 452261: Write an equation of the line containing the given point and perpendicular to the given line.
(5,-2); 5x + 4y = 9
The equation of the line is y=_______________
(Type your answer in the form y = mx + b. Simplify your answer. Type an integer or a fraction.
Click here to see answer by confusedgirl81(14)

Question 452393: 8x+1=x+43
Click here to see answer by studyden(2)

Question 452359: 3*x^2-5*x-2=0
Click here to see answer by MathLover1(20849)

Question 452437: I cannot figure out where I am going wrong on this problem. I distributed solving the parentheses first, but no matter what I do, I keep getting this problem wrong.
3x+2[1-3(x+2)]=2x
This is my work..
3x+2[1-3(x+2)]=2x
3x+2[1-3x-6]=2x
3x+2-6x-12=2x
I get x= -10. Could you tell me where I am going wrong? I thought you needed to do inside the parentheses first, then inside the brackets.
Thank you in advance.
Click here to see answer by Alan3354(69443)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 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20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580