Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 56422: I dont really understand the distributive property, can you explain it to me
Click here to see answer by Cintchr(481)

Question 56411: Please help me with the following problem:
The question is as followed:
Explain the steps that you need to take in order to resolve the system of equations as followed in applying the method of elimination. You don't have to resolve the problem itself.
1- 5x + 2y =5
2- 3x + 4y= -23
Thank you
Click here to see answer by checkley71(8403)

Question 56438: if 2 hotdogs and 1 hamburger costs 3.39. and 3 hotdogs and 3 hamburgers cost 6.57, how much does a hotdog cost?
Click here to see answer by checkley71(8403)

Question 56404: Please help me solve this equation: 5(2y-)=3(y-4)
Thank you.
Click here to see answer by checkley71(8403)

Question 56480:

Click here to see answer by stanbon(75887)

Question 56480:

Click here to see answer by AgusKwan(7)

Question 56513: solve for y in each of the following equations
y = xz x = 2, z = 5
Click here to see answer by tutorcecilia(2152)

Question 56511: 2=5b+12
Click here to see answer by scoop(27)

Question 56527: Please help me.
-7/8t < -14
Click here to see answer by tutorcecilia(2152)

Question 56531: Hi, please help me solve this problem, thank you.
The question is:
Indicate an equation that satisfies the description of each parabole. y=x2
a) A parabole with a summit of (0, -3)
b) A parabole with the summit of (5,1)
c) A parabole with a summit of (4,0)
d) A parabole with a summit of (3,5)
e)A parabole with a summit of (-8,6)
Click here to see answer by stanbon(75887)

Question 56582: Solve the equation:
1/20v - 1/40 + 1/4v = 1/4 + v
Click here to see answer by checkley71(8403)

Question 56601: 2/3 + 3k/4=71/12
I come up with k=7 but am having trouble showing my work.
Click here to see answer by checkley71(8403)

Question 56617: Completely factor the following: x^4 - 13x^2 + 36
This what I have done, please let me know if it is right, or not, what I did wrong thanks, lackinmath
(x^2-9)(x^2-4)
(x-3)(x+3)(x-2)(x+2)
Click here to see answer by wgomero(28)

Question 56634: 3x-5(x-6)=2(10-x)
Click here to see answer by funmath(2933)

Question 56636: evaluate 28z-15=15
Click here to see answer by funmath(2933)

Question 56639: Only T/N is the fraction. So in other words it is one minus the fraction T/N.
V=C(1- T/N)for T

Click here to see answer by funmath(2933)

Question 56656: how to slove 2.1x + 45.2 = 3.2 - 8.4x
Click here to see answer by rchill(405)

Question 56751: Solve and check:
(x + 1)/6=4/3
Click here to see answer by funmath(2933)

Question 56795: Describe what steps you would take to solve 8x+5=2x-7.
Click here to see answer by funmath(2933)

Question 56841: The process and answer for the equation
10y+8y=15
Click here to see answer by checkley71(8403)

Question 56908: solve for y
x + 1/3y = z to the second power
Click here to see answer by stanbon(75887)

Question 56918: CAN SOMEONE PLEASE ASSIST:
SOLVE: 4X+6=3X
A) -6
B) -5
C) 6
D) 5
Click here to see answer by Scriptor(36)

Question 56918: CAN SOMEONE PLEASE ASSIST:
SOLVE: 4X+6=3X
A) -6
B) -5
C) 6
D) 5
Click here to see answer by funmath(2933)

Question 56845: The process and answer for the equation
10y+8y=15
Click here to see answer by tutorcecilia(2152)

Question 56928: Okay here i go again with another written problem. Please help.
The measure of one angle of a triangle is twice the measure of a second angle. The measure of the third angle is 12 less than the sum of the other two. Find the measures of the angles of the triangle.
Click here to see answer by ankor@dixie-net.com(22740)

Question 56927: 3(x+2.9)=6.3-5x
Click here to see answer by checkley71(8403)

Question 56927: 3(x+2.9)=6.3-5x
Click here to see answer by funmath(2933)

Question 56956: 330=16t+10

Click here to see answer by checkley71(8403)

Question 57009: b+4b=-90
Click here to see answer by rchill(405)

Question 57009: b+4b=-90
Click here to see answer by funmath(2933)

Question 57018: solve the following system of equations
3x-y=1
y=-x+3
Click here to see answer by rchill(405)

Question 57016: solve the following systems of equations
x+y=-3
2x=-3+y
Click here to see answer by rchill(405)

Question 57021: solve the following system of equations
3y=-10-5x
3x+5y=-6
Click here to see answer by stanbon(75887)

Question 57021: solve the following system of equations
3y=-10-5x
3x+5y=-6
Click here to see answer by rchill(405)

Question 57020: solve the following system of equations
x+4y=8
29=-5y+2x
Click here to see answer by rchill(405)

Question 56973: I am trying to solve the following equation so that I can fill out an X/Y Table and graph my answers on a four quadrant graph.
Y = 4/3x + 3
The X Values of the X/Y Graph are
-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, and 5

Click here to see answer by BGluvsmath(64)

Question 57041: The voume (v) of a rectangular solid is 60 cubic meters. Find the length (l) of the solidf the width (w) is 5 meters and the height (h)is 2/meter,. Use the formula v= lwh.
hello my name is elsie, and im having problems with solving word problems... I just need someone to teach me the steps and i should be able to go on from there PLEASE!!! CAN U PLEASE HELP ME? THANK YOU VERY MUCH
Click here to see answer by stanbon(75887)

Question 56980: x+10-6x=-5(x+2)
-5x +10=-5x+10
0=0
Is this correct
Click here to see answer by Earlsdon(6294)

Question 57048: The volume (v) of a rectangular solid is 60 cubic meters. Find the length (l)of the solid if the width (w) is 5 meters and the height (h) is 2/3 meter. Use the formula v=lwh
can someone PLEASE help me with this problem???
Click here to see answer by josmiceli(19441)

Question 57035: Find two numbers such that their sum is 12 and two times the first plus three times the second is 26
Click here to see answer by susie(3)

Question 57035: Find two numbers such that their sum is 12 and two times the first plus three times the second is 26
Click here to see answer by venugopalramana(3286)

Question 57109: 9x+7=5x-3 solve for x
Click here to see answer by free(1)

Question 57109: 9x+7=5x-3 solve for x
Click here to see answer by lags2much(2)

Question 57123: x=(9t^2-y^2)/(y-3t) Really having mixed attempts at this.
9t^2-y^2
x = --------
y-3t
Should be able to divide -3t into 9t^2 giving -3t and y into -y^2 giving -y
therefore the answer should be x=-3t-y but don't seem to get it. Am I right?
any help?
Click here to see answer by stanbon(75887)

Question 57132: 9a - 2b= C + 4a, for the a
Help please, I realy don't understand.
Click here to see answer by tutorcecilia(2152)

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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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, 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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