Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 226705: Solve using the addition principle:

-16.3 - m = 21.4
Click here to see answer by rfer(12730)

Question 226705: Solve using the addition principle:

-16.3 - m = 21.4
Click here to see answer by drj(1380)

Question 226689: how would u simlify 2-5(h+3)= -28
Click here to see answer by rfer(12730)

Question 226792: -161= 23t
t=-7
?
Click here to see answer by rfer(12730)

Question 226815: What are the steps to solve this poblem 12-1/3u=2
Click here to see answer by rfer(12730)

Question 226822: how do i divide mixed numbers..
Click here to see answer by rfer(12730)

Question 226834: i need help figuring out the answer to 7-4(d-3)=23
Click here to see answer by rfer(12730)

Question 226849: 6-4x=7x-9x-6
Click here to see answer by rfer(12730)

Question 226864: negative y+10=25
Click here to see answer by rfer(12730)

Question 227009: Can you please help me with the following statement problem?
The sum of three integers is 65 more than twice the first integer - find all three integers.
Click here to see answer by ankor@dixie-net.com(15746)

Question 227047: The length of a rectangle is 20 inches greater than twice the width. If the diagonal is 2 inches more than the length, find the dimensions of the rectangle.
I can't seem to find this formula and I have a midterm today and want to make sure I can solve it properly. I have 2h+22 and 2h+20 and also h by itself.
Click here to see answer by algebrapro18(206)

Question 227111: jon throws all his nickels and dimes into a jar...he has 42.35...if there were five times as many nickels as dimes...how many of each coin does he have?
Click here to see answer by solver91311(17077)

Question 227116: im not really understanding how to solve equations. would you be able to help me with this question? what is -6q+p=-5, solve for q
Click here to see answer by drj(1380)

Question 227123: hello my name is anthony and i am haveing a problem with solving word problems and it is using formulas to solve equations and please explain it the best way you can step by step so i can understand how to do it and i am new at this?

Find the area of a rectangle when the length is 24.2cm and the width is 14cm
Click here to see answer by josmiceli(9817)

Question 226922: My teacher gave us this table.
x 1 -2 0 -1 2 3 -4 4 -3
y ? 14 18 ? ? 9 ? ? ?
I need to find the y-values with the questions mark and find a rule for this table.
PLEASE HELP ME!!
Click here to see answer by ankor@dixie-net.com(15746)

Question 226900: 1. how do you solve for c in the equation: d=(-4c+5)/(3c-7)

Click here to see answer by ankor@dixie-net.com(15746)

Question 227190: If the first and third of three consecutive odd integers are added, the result is 87 less than five times the second integer. Find the third integer.
A) 27
B) 58
C) 31
D) 29
E) none of the above
If someone could explain this to me, that would be fantastic. My brain is not processing this at all.
Click here to see answer by solver91311(17077)

Question 227214: find the rectangular coordinates of the point whose polar coordinates are (20, 140 degrees) round to the nearest hundredth
Click here to see answer by solver91311(17077)

Question 227247: Three consecutive integers have a sum of 117. find the smallest integer.
Click here to see answer by rfer(12730)

Question 227247: Three consecutive integers have a sum of 117. find the smallest integer.
Click here to see answer by Alan3354(31518)

Question 227227: what's the greatest common factor of 180, 270, and 450?
Click here to see answer by rfer(12730)

Question 227271: in order to number the pages of a book, the printer used 2,989 digets. how many pages did the book have?
Click here to see answer by solver91311(17077)

Question 227322: 9b=7b-70

Click here to see answer by rapaljer(4667)

Question 227343: 3x=27-15x
Click here to see answer by drj(1380)

Question 227346: solve for r S = a / (a - r) I know the answer but don't know how to get it
Click here to see answer by rapaljer(4667)

Question 227368: 80 decreased by 3 times a number is 56. what is the number?
Click here to see answer by rapaljer(4667)

Question 227405: h=12g-1....so i think i can try, dont you add one to each side??
Click here to see answer by Alan3354(31518)

Question 227405: h=12g-1....so i think i can try, dont you add one to each side??
Click here to see answer by rapaljer(4667)

Question 227401: 5x+2(1-x)=2(2x-1)
Click here to see answer by LtAurora(115)

Question 227442: 7x+5 = 5x+17
Click here to see answer by nerdybill(7003)

Question 227491: Im having trouble solving equations using the addition/elimination process. Can you help me pls?
7p+5q=2
8p-9q=17
Click here to see answer by jsmallt9(3296)

Question 227563: Solve: -6n+5=-n-20
Click here to see answer by checkley77(12569)

Question 227562: Solve: -5a+3=a-9
Click here to see answer by checkley77(12569)

Question 227592: Solve: 5y-1=-17-3y
Click here to see answer by rapaljer(4667)

Question 227593: Solve: 5x-8-2x=4x-6
Click here to see answer by rapaljer(4667)

Question 227591: Solve: x+2(3x-1)=6x-5
Click here to see answer by rapaljer(4667)

Question 227584: could you tell me this answer
a plumber takes h hours to mend a boiler and charges £12 an hour. he also charges a £20 call out fee.
a. write an expression for the total charge
b. the total charge is £80. use this information to right an equation
c. solve the equation to find how long it takes to mend the boiler
Click here to see answer by josmiceli(9817)

Question 227573: The fastest speed of a ball that has been served in tennis is 222km/h. How long would it have taken the ball to travel 24 meters? give answer in seconds correct to 2 significant figures.
Click here to see answer by josmiceli(9817)

Question 227595: 2/3(11x - 1/6) - 3/4 = 1/4
Click here to see answer by user_dude2008(1861)

Question 227589: Evaluate: b^2-4ac
if a=3,b=5,c=-1
Click here to see answer by user_dude2008(1861)

Question 227594: Solve: 2-[4x-(1-2x)]-9(x+4)
Click here to see answer by user_dude2008(1861)

Question 227615: 16x-19=113-6x
Click here to see answer by user_dude2008(1861)

Question 227687: solve -12-3x=10-26+5x
Click here to see answer by jim_thompson5910(28715)

Question 227688: Please help me solve for d in the equation d+7=3/2d+5
I am not sure exactly what to multiply by the LCD to solve. Is 2 the correct LCD?
Click here to see answer by jim_thompson5910(28715)

Question 227709: how to write an equation in slope intercept form that has a slope of 5 and a y intercept of -3
Click here to see answer by rfer(12730)

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, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 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