Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 477982: how do i translate 15 more than b into an algebraic expression?
Click here to see answer by Theo(13342)

Question 477981: how do i rewrite -75/(-69) as a multiplication?
Click here to see answer by Theo(13342)

Question 478006: 15m+11=2
Click here to see answer by stanbon(75887)

Question 478076: Hi everyone, I need help on this word problem. I have been working on many word problems like the one below but this particular problem I can't seem to find the equation. I would really appreciate the help, thank you.

If the sum of a number and one is doubled the result is seven less than the number. Find the number.

Click here to see answer by mananth(16946)

Question 477994: Paint Town sold 45 paintbrushes, one kind at $8.50 each and another at $9.75 each. In all, $398.75 was taken in for the brushes. How many of each kind were sold?
Click here to see answer by Maths68(1474)

Question 478059: 8 less than 2/3 of a number is 18. What is the number? Please write the equation and how to solve it. Thanks!
Click here to see answer by lwsshak3(11628)

Question 477985: Please help me solve these two equations: 3x+4(1+2x)=15 and 4(1+3x)-2(3-x)=12.

Thank-you so much! I am revising for a test and preferably need it to be done step by step!
Click here to see answer by lwsshak3(11628)

Question 477964: 4/3 x -2 1/2= -6 1/4 Solve
Click here to see answer by lwsshak3(11628)

Question 477946: Four times a number is 35 less than the product of the same number and -3. What is the number?
Click here to see answer by lwsshak3(11628)

Question 478116: Could somebody please help me with: -2(1-3x)+3(5x+2)=109
Click here to see answer by lwsshak3(11628)

Question 478123: Could somebody please help me solve 11+4x=21-x
I'm sorry I have already asked this, it's just that nobody answered it.
Thanks!
Click here to see answer by mananth(16946)

Question 478124: Could somebody please do 15-3x=12-2x for me?
Could you please do it step by step.
I will leave positive feedback.
Click here to see answer by Alan3354(69443)

Question 478232: Hi all, I'm having trouble on this word problem. Hopefully someone can help me find the equation, this is tough. Thank you :)

Find the length of the shorter leg of a right triangle if the longer leg is 3 feet more than the shorter leg and the hypotenuse is 3 feet less than twice the shorter leg.
The length of the shorter leg is ?? feet
Click here to see answer by nerdybill(7384)

Question 478247: Find (-2i)^3 Express in rectangular form.
Click here to see answer by MathLover1(20849)

Question 478289: Hi All, I'm having trouble with this word problem, can't seem to find the equation to solve it. If someone could show me the steps, so I may understand I've been stuck on this problem for a bit now. I would really appreciate the help. Thank you.
A jogger begins her workout by jogging to the park, a distance of 11 miles. She then jogs home at the same speed, but along a different route. This return trip is 16 miles, and her time is one hour longer. Find her jogging speed. Let x=the jogging speed.
Click here to see answer by wilft1(217)

Question 477987: Please help me solve this equation: 11+4x=21-x
Thank-you so much! I am revising for a test and preferably need it to be done step by step!
Click here to see answer by ankor@dixie-net.com(22740)

Question 478546: Respected Sir/Madam ,
Please help me to solve my problem . I Will be very grateful for your help. My question is :
The product of two numbers is 3200 and the quotient when the larger number is divided by the smaller is 2. Then the numbers are :
As the Answer given is :80,40
So please Sir/Madam provide me the steps for this question..

Thank you,

Click here to see answer by Earlsdon(6294)

Question 478825: How to Simplify 5.88888888888889
Click here to see answer by MathLover1(20849)

Question 478825: How to Simplify 5.88888888888889
Click here to see answer by Alan3354(69443)

Question 478844: What is the LCM of 35x^2 and 175x^9.
Click here to see answer by Alan3354(69443)

Question 478852: I really don't understand this and need help please.

The point (46, 0) lies on the line 2x + 10y = 92. Determine if this point is a solution of the system
2x + 10y = 92
-6x � 2y = -24
Click here to see answer by Alan3354(69443)

Question 478840: My question is: Solve this equation algebraically
x^5=3x+2x^3y
and: Find all the solutions algebraically
1) Sqroot(x) − Sqroot(x − 5) = 1
2)3x(x-1)^(1/2)+2(x-1)^(1/2)=0

If you can please explain how to solve it for future reference. Thank You :)
Click here to see answer by ankor@dixie-net.com(22740)

Question 478958: Can you please explain step by step on how to do each of these two problems below? And then tell me whether it involves an arithmetic sequence or a geometric sequence I also need the work shown out for both problems
thank you.

Perform the indicated operations and reduce the answer to lowest terms.
(-3/4) � (5/8)
(9/14 � 3/7) � �

Click here to see answer by cleomenius(959)

Question 479237: If x�-z�=130 and x-z=10 then x+z = ?
a) 10
b) 13
c) 36
d) 30
e) 120
Help me please! :)
Click here to see answer by mananth(16946)

Question 479236: If 3x+4y= -2 and x-6y=-8, then the value of x is?
a) -1
b) 1
c) 2
d) -2
e) 0
I would appreciate your help, thanks :)
Click here to see answer by mananth(16946)

Question 479377: Express using a positive exponent.
s^-6
What does it equal?
Click here to see answer by wilft1(217)

Question 479384: +46--61--2+-14--82
Need to confirm answer to see if I am completing the problem correctly.
Answer received is 113
Click here to see answer by rfer(16322)

Question 479384: +46--61--2+-14--82
Need to confirm answer to see if I am completing the problem correctly.
Answer received is 113
Click here to see answer by wilft1(217)

Question 479594: If a + b are odd integers, which of the following must be an even integer?
I.
II.
III.
Possible answers:
a) I only
b) II only
c) I and II only
d) II and III only
e) I, II and III
I would appreciate your help. Thanks! :-)

Click here to see answer by Edwin McCravy(20055)

Question 479612: If a + b = 3 and 2b + c = 2, then 2a - c = ?
a) -4
b) -1
c) 1
d) 4
e) 5
Again and again thanks for helping! wonderful website and tutors :-)
Click here to see answer by Edwin McCravy(20055)

Question 479613: If c = 18a + 24b, where a and b are positive integers, then c must be divisible by which of the following?
a) 4
b) 6
c) 9
d) 12
e) 72
Than you!!! :-)
Click here to see answer by Edwin McCravy(20055)

Question 479593: 10 to the power of (3) + 10 to the power of (5) = ?
a) 10 to the power of (8)
b) 10 to the power of (15)
c) 20 to the power of (8)
d) 2 to the power of (15)
e) 101 000
The sample test i have from my school says that the correct answer is (d), could this be correct? Thanks!
Click here to see answer by Alan3354(69443)

Question 479620: If a^2 + 4 < 4a + 9, then:
a) a < -1
b) a > 5
c) a > -1
d) a < 5
e) -1 < a < 5
Thank you for your help!!! :)

Click here to see answer by Edwin McCravy(20055)

Question 479633: If x+y=6, xy=9, then x2+y2 is equal to_____?
Click here to see answer by mananth(16946)

Question 479737: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
5x � 4y = 10.5
20x � 16y = 42

Click here to see answer by stanbon(75887)

Question 479800: I need help with solving equations Wht is 2n=.5n+30
Click here to see answer by rfer(16322)

Question 479808: I need help wit solving equations wht is 1\2x=x-13
Click here to see answer by emargo19(101)

Question 479817: Solving equations...n-20=8-n. Please help
Click here to see answer by emargo19(101)

Question 479795: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
-2x + 6y = -12
x + 3y = -3
Click here to see answer by ewatrrr(24785)

Question 479831: Help wit solving equations.. wht is n-20=8-n
Click here to see answer by rfer(16322)

Question 479998: 6kg of tea and 11kg of sugar cost 13.30
11kg of tea and 6kg of sugar cost 17.30
find the cost of tea and sugar per kilo
Click here to see answer by mananth(16946)

Question 479998: 6kg of tea and 11kg of sugar cost 13.30
11kg of tea and 6kg of sugar cost 17.30
find the cost of tea and sugar per kilo
Click here to see answer by Maths68(1474)

Question 479997: half the sum of two numbers is 20 and three times their differences is 18. find the numbers.
Click here to see answer by Tatiana_Stebko(1539)

Question 480087: need to solve -2n+5 greater than 7
Click here to see answer by stanbon(75887)

Question 480172: Select the set of equations the represents the following situation: The cost of eight CDs and fifteen DVDs is $186.31; and the cost of nine DVDs and thirteen CDs is $167.09. How much do a CD and a DVD cost?
8x*15y=186.31; 9x*13y=167.09
8x+15y=186.31; 13x+9y=167.09
8x+15y=186.31; 9x+13y = 167.06
8x*15y=186.31; 13x*9y = 167.09
Click here to see answer by Maths68(1474)

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, 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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, 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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