Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 156699: 1/2x-3/5=1/10+3/10
Click here to see answer by jim_thompson5910(35256)

Question 156705: 1/2x-3/5=1/10+3/10
Click here to see answer by jim_thompson5910(35256)

Question 156709: 4(n-3)=-16
-3(2n-2)=18
Click here to see answer by jim_thompson5910(35256)

Question 156710: 2+3(5x+7)=53
3n+2(n-4)= 42
3(x+2)= 15
Click here to see answer by jim_thompson5910(35256)

Question 156715: The sum of three consecutive even numbers is 150. Find the numbers.
Please help!
Thanks!
Click here to see answer by josmiceli(19441)

Question 156715: The sum of three consecutive even numbers is 150. Find the numbers.
Please help!
Thanks!
Click here to see answer by nerdybill(7384)

Question 156715: The sum of three consecutive even numbers is 150. Find the numbers.
Please help!
Thanks!
Click here to see answer by oscargut(2103)

Question 156715: The sum of three consecutive even numbers is 150. Find the numbers.
Please help!
Thanks!
Click here to see answer by checkley77(12844)

Question 156715: The sum of three consecutive even numbers is 150. Find the numbers.
Please help!
Thanks!
Click here to see answer by jim_thompson5910(35256)

Question 156716: I need to find the length of one side of a triangle. If a triangle that has the second side 10 feet shorter than the first side. The third side is 50 feet longer than the first side. The perimeter is 684 feet. How long is the first side?
Click here to see answer by checkley77(12844)

Question 156719: -3(2n-2)= 18
Click here to see answer by jim_thompson5910(35256)

Question 156719: -3(2n-2)= 18
Click here to see answer by nerdybill(7384)

Question 156725: 0.51m+0.03=0.4m-0.74
Click here to see answer by jim_thompson5910(35256)

Question 154945: If ABC
+ DEF
= GHI
and
ADG
+BEH
=CFI
What numbers do you plug into this equation to make it correct both ways. IT says there are two answers.
Click here to see answer by Edwin McCravy(20054)

Question 156771: 4(3+x)+10=-11(x-6)+1 tryingto find the value of x. can't getthe hang of these negative numbers. seem to be missing a simple step. I know the answer is 3 but don.t know the steps to get there
Click here to see answer by Earlsdon(6294)

Question 156849: Row 1 x = 10
Row 2 1/2 x = 10
Row 3 1/3x = 10
Row 100 1/100x = 10
Row n ? x = ?
As n gets larger, to what equation are the equations getting closer and closer? What is happening to the solutions?
Click here to see answer by jim_thompson5910(35256)

Question 156853: 6-2 x = -8
-
3
Click here to see answer by jim_thompson5910(35256)

Question 156856: Please help me solve this equation: 8x + 4y = 12
Click here to see answer by jim_thompson5910(35256)

Question 156858: Please help me solve this: -5x + 3y = 7
Click here to see answer by jim_thompson5910(35256)

Question 156890: reduce to lowest terms
2/x^2+2x-8 + 2/x^2-6x+8
Click here to see answer by nerdybill(7384)

Question 156878: divide and reduce to lowest term.
2x^2-2/x^2+3x-4 divided by x^2+2x+1/x^4+x^3
Click here to see answer by Earlsdon(6294)

Question 156894: Hello Did I do this correctly?
9(4-2)+6.2^2 ^ means there is a exponent or to next power
____________
3(7-5)
I got 18+24= 42 on the top
I got 6 on the bottom
42/6=7

Thanks for any help
Click here to see answer by Earlsdon(6294)

Question 156889: rewrite using only positive exponents
(4z^-3y^2)^-2
Click here to see answer by ankor@dixie-net.com(22740)

Question 156916: whats a-1/2=3/5 ?
Click here to see answer by checkley77(12844)

Question 156913: Mr.O'Leary is 4 times as old as his son. In 16 years he will be only twice as old. What are their ages. (Hint: If the son is x years old now, how old will be in another 16 years?)
Click here to see answer by checkley77(12844)

Question 156896: The problem is: If sales of ipods increase by 15% each week and the store plans to sell 100 ipods the first week (which the store calls the first week 0weeks) how many ipods will it sell by the end of the 4th week. Find the equation to this problem.
I have tried to find the equation to this problem for a couple of hours. Some of my thoughts are:
y=(100x0.15)X
I just really don't understand how to find the equation.
Thank you so much for your help, I am desperate and driving my mother up the wall.
Danielle
Click here to see answer by ankor@dixie-net.com(22740)

Question 156933: 45-3x=30
Click here to see answer by jim_thompson5910(35256)

Question 156933: 45-3x=30
Click here to see answer by mizjoice(22)

Question 156952: Please show me how to solve:
(100p-4000)/100p=.3
Click here to see answer by Alan3354(69443)

Question 156952: Please show me how to solve:
(100p-4000)/100p=.3
Click here to see answer by scott8148(6628)

Question 156978: How do I solve this problem by factoring. 6x^2 + 42x=0
Click here to see answer by Alan3354(69443)

Question 156978: How do I solve this problem by factoring. 6x^2 + 42x=0
Click here to see answer by jim_thompson5910(35256)

Question 157007: Solve for x on the following problems:
x/2 = 7/3
and
3/x = -2/9
Click here to see answer by gonzo(654)

Question 156888: simplify
2x-4/x^2+x-6 multiplied by x+3/x+1
Click here to see answer by orca(409)

Question 157183: A group of ten 6 and 12 volt batteries are wired in series; the sum of their voltages is 84 volts. How many of each type of battery are used?
6x + 12x = 84
18x = 84 does not work
Click here to see answer by Alan3354(69443)

Question 157195: I am a frustrated father who was asked this question by my daughter. She does not know that I am asking this. I justwant to clear the cobwebs in my mind and see if I can remember my high school Algebra (1977). Here is the problem:

C/-2 = 42.
Please show me the steps on how you obtain the answer.
Thank you,
John.

Click here to see answer by ankor@dixie-net.com(22740)

Question 157211: Suppose n-15 is a whole number. What do you know about the value of n? Explain
Click here to see answer by mizjoice(22)

Question 157219: how do yo get the answer to 52x+33x+18+2=100x+1+3
Click here to see answer by checkley77(12844)

Question 157213: HOW DO YOU FIND THE ANSWER TO 52x+33x+18+2=100x+1+3
Click here to see answer by checkley77(12844)

Question 157212: The sum of 4 times a number and 49 is the negative product of 3 and the number?
Click here to see answer by checkley77(12844)

Question 157257: An oil tank was 1/10 full then 280 gallons was delivered which made it 8/10 full. If x= the capacity of the oil tank, what equation can be used to find the capacity of the tank?
Click here to see answer by nerdybill(7384)

Question 157292: -3x+b=6x for x

-5a+y=-54 for y
Click here to see answer by midwood_trail(310)

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, 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, 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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, 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