Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 380441: Factor out the GCF (greatest common factor)
6x^3y^5-18xy^9x
^ means to the 3rd power for instance
Click here to see answer by Fombitz(13828)

Question 380511: 1/5 + 1/6
Click here to see answer by tutorcecilia(2152)

Question 380487: pi x 3.41 x 1,3019234 divided by 12347 x 8 + your age - 1804351 x 235-135425 squaredx 10 to the fifth power + 1- 12438723562956918723847.
Click here to see answer by Fombitz(13828)

Question 380269: Determine which ordered pairs are part of the following solution.
y<3-2x {(0,4), (-1,3), (6-8), (-4,5)}
Click here to see answer by Fombitz(13828)

Question 380591: Hi I'm having trouble in with my homework trying to find x, I'm really confused heres one of the problems
1/2(2x+54)= 1/3(9x+27)-4
A STEP BY STEP explanation would be greatly appreciated
Thanks, Ricky
Click here to see answer by stanbon(57967)

Question 380597: Hi, Im having trouble with my homework solving for x. I think i almost have it but im not sure. Heres a problem im stumped on. Please help me step by step.
5/7(x+21)= 30
Thanks, Ricky
Click here to see answer by ewatrrr(10682)

Question 380641: Ted cleaned the first floor in 4 hours. With Alex helping, they did the second floor in 3 hours. How long would it take Alex to do both floors alone?
Click here to see answer by stanbon(57967)

Question 380639: The sum of two numbers is 2. Three times the sum of their reciprocals is 8. What are the numbers?
Click here to see answer by ewatrrr(10682)

Question 380724: If a number n is subtracted from 25, the result is three less than n. What is the value of n?
Click here to see answer by user_dude2008(1861)

Question 380806: Complete the ordered pairs so that each is a solution for the equation 2x + y = 10.
(5,__?__), (__?__, 10), (__?__, –2), (7, __?__)
any help would be helpful. Trying to understand this
Thank you

Click here to see answer by rfer(12730)

Question 380780: Determine which of the ordered pairs
(0, 1), (2, 0), (0, –1), (–8, 5)
are solutions for the equation x + 2y = 2.
Could someone pleas explain this to me
Thank you.
Click here to see answer by rfer(12730)

Question 380862: What is 16200 in scientific notation?
Click here to see answer by stanbon(57967)

Question 380937: Hello,
I'm seeking help with the following math problem below, a tutor helped me before with this same problem but I still don't understand. Any help would be appreciated.

(1/2)a + (3/4)b - c
when a=8, b=4 and c=-2

Thank You!
Click here to see answer by Theo(3504)

Question 380936: How do I covert 1256kg to grams?
I came up with 1256000
Is this correct?
Thank you!
Click here to see answer by Theo(3504)

Question 380929:
Can you please help me solve this problem?
2x^2> -5x + 3

Click here to see answer by mananth(12270)

Question 380935: Hi can someone please help me solve the following problem?

1/9x -1/3y + 2/3x -1/9y

Thank you!
Click here to see answer by mananth(12270)

Question 381214: -3(x-3)=5-4x
Click here to see answer by jim_thompson5910(28715)

Question 381313: -7+3x=x+11
Click here to see answer by rfer(12730)

Question 381329: Please show how to and solve for x: 4 (x – 2) <= 6 (x + 5)
Click here to see answer by rfer(12730)

Question 381329: Please show how to and solve for x: 4 (x – 2) <= 6 (x + 5)
Click here to see answer by Edwin McCravy(8999)

Question 381402: I need to solve this equation: 10/(x^2-2x)+4/x=5/(x-2)
so far I have 4x+2/(x^2-2x) = 5x/(x^2-2x)
Is this correct so far and where do I go from here?
Click here to see answer by mananth(12270)

Question 381415: Use the quadratic formula to solve 8x^2+3x=-2
Click here to see answer by mananth(12270)

Question 381301: what is x^3+3x^2+7x+10 factored?
Click here to see answer by robertb(4012)

Question 381465: how many weeks are there in "y" days?
Click here to see answer by robertb(4012)

Question 381461: 5(b+a-6c)-7(c-b+6a)
Click here to see answer by robertb(4012)

Question 381494: How do I solve x(sqrt) +7x = 0 for x

and solve 4x(sqrt) = 44 for x
Click here to see answer by stanbon(57967)

Question 381501: whats the answer to 9(-5m - 1) + 5 = -229
Click here to see answer by ewatrrr(10682)

Question 381501: whats the answer to 9(-5m - 1) + 5 = -229
Click here to see answer by stanbon(57967)

Question 381503: Dan has x dollars.How many marbles can he buy if 1 marble costs 5 cents?

Click here to see answer by ewatrrr(10682)

Question 381511: what is 5/3j -6 =94
Click here to see answer by ewatrrr(10682)

Question 381464: V=1/3AH
A=43
H=6
V=?
what is the value of "V"
Click here to see answer by checkley79(3056)

Question 381463: V=1/3AH
A=43
H=6
V=?
Click here to see answer by checkley79(3056)

Question 381821: A rectangle is three times longer than it is wide and has a diagonal of 50. Find the dimensions of the rectangle and its perimeter.
Click here to see answer by Alan3354(31532)

Question 381886: can you help me solve 7x-4+6x=-4
Click here to see answer by ccrox(11)

Question 381882: 1/4x=6 1/4
Click here to see answer by ccrox(11)

Question 381973: How would you solve this equation? -4(p+2)+8=2(p-1)-7p+15
Click here to see answer by mananth(12270)

Question 382063: suppose you need to solve a system of two equations in which one equation is y=(x+2)(x-3)(x-6) and the other equation represents a horizontal line. how many solutions could your system have?

Click here to see answer by richard1234(5390)

Question 380440:

Click here to see answer by nayha(6)

Question 381935: 2(x+7)=5(x-7)
Click here to see answer by nayha(6)

Question 378477: how do i do this problem?
-2(3y-7)=56
Click here to see answer by nayha(6)

Question 379896: Please show how to solve for x: 4 (x – 2) 6 (x + 5)
Click here to see answer by nayha(6)

Question 379896: Please show how to solve for x: 4 (x – 2) 6 (x + 5)
Click here to see answer by richard1234(5390)

Question 382220: (a) 3^(2x) = 5

(b) 2e^(x−1) = 7

(c) 5^(1−x) = 10^x
Click here to see answer by Alan3354(31532)

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, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 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