Questions on Algebra: Equations answered by real tutors!

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Question 709161: how would i solve for m the equation 2m^3=54, i am guessing it should start off with 2m^3-54=0 then, 2(m^3)=2(-27)=0, but then i get totaly lost and confused any help please
Click here to see answer by nerdybill(7384)

Question 709187: 3+5x-2=4(8+7x)+7(-5-3x)
Click here to see answer by jim_thompson5910(35256)

Question 709307: How do i write a equation for this word problem .....a total of 25boys and girls want to join club
Click here to see answer by Alan3354(69443)

Question 709335: 4y+9=13
Click here to see answer by unlockmath(1688)

Question 708921: which sequence follows the rule 5n + 4,where n represents the position in the sequence?

Click here to see answer by KMST(5328)

Question 709407: Find the value of p for which the following system of eq has exactly 1 solution 7x-5y-4=0 and 14x+py+4=0
Click here to see answer by josgarithmetic(39617)

Question 709404: I am x years old, 3 times my age 4 years ago is 27 , how old I am . Please solve it for me
Click here to see answer by lynnlo(4176)

Question 709457: how would i solve?
4x=3(x-2)+30
Click here to see answer by Gogonati(855)

Question 709503: we know that X=28 using this eqation 22.4=.8*x. but don't know how to come up with the #28.
Click here to see answer by stanbon(75887)

Question 709455: 2/3y=1/5
Click here to see answer by checkley79(3341)

Question 709533: factor completely,the equation 12x^4+10x^3-12x^2 is equivalent to
Click here to see answer by Alan3354(69443)

Question 709533: factor completely,the equation 12x^4+10x^3-12x^2 is equivalent to
Click here to see answer by stanbon(75887)

Question 709687: Miranda trained consistently, so that she can finish a race in 1 hour. During the race, she ran at the rate of 8 kph. However, upon reaching the halfway point of the race, she realized she needed to run faster so she can increased her speed to 10 kph. If she reached her goal just in time, how long was the race?
Click here to see answer by ankor@dixie-net.com(22740)

Question 709750: I do not understand what the problem is asking me to do, or how to solve:
If x+y+z=22 find the value of (y-10)+(z+1)+(x-4)

please help me understand
Click here to see answer by josmiceli(19441)

Question 709801: Could someone please help me solve this equation?

Thank you for your help!!
Click here to see answer by stanbon(75887)

Question 709801: Could someone please help me solve this equation?

Thank you for your help!!
Click here to see answer by MathLover1(20849)

Question 709863: 8(x+6)+23=7
and
3(2x-7)=5x+17+x
I NEED HELP
Click here to see answer by josh_jordan(263)

Question 709863: 8(x+6)+23=7
and
3(2x-7)=5x+17+x
I NEED HELP
Click here to see answer by josgarithmetic(39617)

Question 709951: I need to divide (x^2-6x-40)/(x+4) and I just cannot seem to get the answer to come out.
Click here to see answer by josgarithmetic(39617)

Question 710021: Please help me with this question :)
simplify, expressing your answer as products and quotients of prime numbers in index form.
15x30^3
--------
25^2x9^4
sorry...this is suppose to be a fraction
thankyou for answering!! :)
Click here to see answer by fcabanski(1391)

Question 710207: Hi,
I keep trying to figure out where I am going wrong in this equation but I cannot. The equation is...
a=b
a^2=ab
a^2-b^2=ab-b^2
(a+b)(a-b)=b(a-b)
a+b=b
a+a=a
2a=a
2=1
Click here to see answer by Edwin McCravy(20055)

Question 710417: The perimeter of a rectangle is 24 feet. What is the width of the rectangle?

Click here to see answer by MathLover1(20849)

Question 710518: 5x-3y=16
4x+5y=-2
Click here to see answer by stanbon(75887)

Question 710554: Find A when P=3000, r=7%, n=12, and t=5

Click here to see answer by nerdybill(7384)

Question 710559: Yesterday Tween Teen Fashions had seven less than three-fourths of its sales transactions paid for by credit cards. If 209 transactions were charged, how many total transactions took place? Would it be 7-3/4x= total transactions?? Really confused on this one
Click here to see answer by srinivas.g(540)

Question 710549: solve for x: 2+3x=-1
Click here to see answer by vheroli(126)

Question 710472: Solve -8z=32
Click here to see answer by vheroli(126)

Question 710557: solve the equation for y.
4x+6y=24
Click here to see answer by srinivas.g(540)

Question 710627: 1/2 . x = -3
Click here to see answer by lynnlo(4176)

Question 710731: The house is twelve years older than the garage. The house is also three times as old as the garage. How old is each building?
Click here to see answer by unlockmath(1688)

Question 710795: Bx+Fy=k solve for x
Click here to see answer by jim_thompson5910(35256)

Question 710886: I am trying to solve this equation.
5(3 - 2x) = 7 - 2(1 - 4x)
I know I am suppose to distribute through and I did that on the left hand side and got 15-10x but I am not sure how to do the right side.
Click here to see answer by tutor_paul(519)

Question 711011: 2x+4-6x=6-(4x+2)
Click here to see answer by jim_thompson5910(35256)

Question 711255: what is the slope and y-intercept of the line whose equation os 4x-6y=12?
Click here to see answer by tutor_paul(519)

Question 711404: How do I solve this problem?
x^3+3x^3-4x-12=0
Click here to see answer by stanbon(75887)

Question 711469: solve for variable w V=lwh
Click here to see answer by rfer(16322)

Question 711515: .05x+.15(50-x)=5.50
Click here to see answer by rfer(16322)

Question 711615: this is the problem below i need a step by step instruction as my daughter is just learning algebra. the 2x is over the 3 and the 5-x is over 4

2x = 5-x
3 4
Click here to see answer by vheroli(126)

Question 711605: factor 9a+27b+81=
Click here to see answer by checkley79(3341)

Question 711654: Find the equation of the circle touching line x-2y=3 at (-1,-2) and having radius sqrt(5)
I've been trying to solve this one for 5 hours, I'm really desperate, I tried all the examples here but still no luck... I think that there is something wrong with my method. I looked for the sloped of radius then plug (-1,-2) to get its equation then equate it with the tangent line...... its seems not to work. Any help will be greatly appreciated.
Click here to see answer by Alan3354(69443)

Question 711662: X(x+4) - please can anyone help with this equation?
Click here to see answer by Alan3354(69443)

Question 711735: 2m-8w=c+7 solve for m

Click here to see answer by tutor_paul(519)

Question 711790: -9x-13=-103
Click here to see answer by jim_thompson5910(35256)

Question 711792: -10= -10+7m
Click here to see answer by lynnlo(4176)

Question 711797: 7(9+k)=84
Click here to see answer by jim_thompson5910(35256)

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, 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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