Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 336802: please help me solve this equation
-2x+5=5x+19
Click here to see answer by jim_thompson5910(28536)

Question 336177: 21 = 17 + x/3
solve
Click here to see answer by jim_thompson5910(28536)

Question 335814: solve the equation

5/3(2s+2)= -1/12(5s+2)-4
Click here to see answer by jim_thompson5910(28536)

Question 336816: how do you solve 6m=42
Click here to see answer by jim_thompson5910(28536)

Question 336825: how do you right an mathematical equation for one third of a number?

Click here to see answer by rfer(12654)

Question 336825: how do you right an mathematical equation for one third of a number?

Click here to see answer by Alan3354(30993)

Question 336786: i need help solving equations without a calculater for example i have one question like
m2=0.0025
b2=4.41
i really need help:(
Click here to see answer by Alan3354(30993)

Question 336829: Solve -5/2x + 1/2 = -18
Click here to see answer by jim_thompson5910(28536)

Question 336829: Solve -5/2x + 1/2 = -18
Click here to see answer by rfer(12654)

Question 336840: W=EI solve for I an electricity formula
Click here to see answer by rfer(12654)

Question 336841: 0.7(3x+6) = 1.1-(x+2)
Click here to see answer by rfer(12654)

Question 336768: One-step equations -
Define a variable, write an equation and solve
1. Lisa is cooking muffins. The recipe calls for 7 cups o sugar. She has already put in 2 cups. How many more cups does she need to put in?
Click here to see answer by checkley77(12569)

Question 336876: Need help with:
1/x^2+3=5
That is 1 over x Squared if there is any confusion.
Thanks.
Click here to see answer by Alan3354(30993)

Question 336868: Need help with:
7/2x^2+3=5
That is 7 over 2x squared if there is any confusion.
Click here to see answer by Alan3354(30993)

Question 336991: been out of school for 25 years. need help solving a basic equation.
2xsquared + 7x - 15
Click here to see answer by jim_thompson5910(28536)

Question 337009: Hello. My name Is Chantelle, and i would like to
I need some help with: Fractions.
Directions: Compare the fractions using <,> or =
3/5 __________ 5/9
So i got this answer.
First i divide them both so see which one is lesser. by the decimals. like so.
0.6 & 0.5 repeating.
which one is bigger?
Click here to see answer by jim_thompson5910(28536)

Question 337029: Translate each sentence to an equation.
1.The quotient of g and h is the same as seven more than twice the sum of g and h.
2. The quotient of t and forty is the same as twelve minus half of s.
3. The square of m minus the cube of n is sixteen.
4. Two times z is equal to two times the sum of v and w.
Click here to see answer by mananth(12270)

Question 337010: State college has 620 students. There are 20 more women than men. How many women are there?
Click here to see answer by Earlsdon(6287)

Question 337090: how do i solve (r+6)/(5)=(r+8)/(7)

Click here to see answer by stanbon(57282)

Question 337004: How do I solve and check -b/3=6?

Click here to see answer by Fombitz(13828)

Question 337115: 7x +7=5-3x +6 I would like step by step help on how to do this please
Click here to see answer by Earlsdon(6287)

Question 337115: 7x +7=5-3x +6 I would like step by step help on how to do this please
Click here to see answer by CharlesG2(828)

Question 337136: I need help in this equation I do it but, the answer doesn't match with my friends this is the equation:
3{6+¯[9+2(1+3)²+¯20]}
3{6+¯[11(4)²+¯20]}
3{6+¯[11(16)+¯20]}
3{6+¯(176)+¯20]}
3{1,056+¯20]}
3{1,036}
=3,108
Click here to see answer by Alan3354(30993)

Question 337202: (x-3)^2 / 5 (Top part of the equation) then divide by bottom part of the equation 5x-15 / 25
Answer choices:
A. 5(x-3)^2 / 5x-15
B. 1 / x-3
C. x-3
D. (x-3)^3 / 25
Click here to see answer by Fombitz(13828)

Question 337201: Solve the formula for the specified variable.
A = 1/2h(B+b) for b.
Answer choices:
A. b = A-Bh / h
B. b = 2A-Bh / h
C. b = 2A+Bh / h
D. B = 2A - Bh
Click here to see answer by Fombitz(13828)

Question 337200: Solve the formula for the specified variable.
P = A / 1+rt for r
Answer choices:
A. r = P-tA
B. r = P-1 / At
C. r = A-P / Pt
D. r = P-A / 1+t
Click here to see answer by Fombitz(13828)

Question 337199: Solve the formula for the specified variable.
V = 1/3Bh for h.
Answer choices:
A. h = V/3B
B. h = B/3V
C. h = 3B/V
D. h = 3V/B
Click here to see answer by stanbon(57282)

Question 337435: What is 12X-10y=16. y = 0
What is 12X-10y=16. y = 0
Plug in y=0
12x-10(0)=16 any number multiply by 0 is zero
12x=16 divide both sides by 12
X=16/12 divisible by 4
X=4/3 ans

Click here to see answer by chiexpert(48)

Question 337425: 564t=744(t-1/2)
Click here to see answer by rfer(12654)

Question 337423: The total cost to rent a row boat is $18 times the number of hours the boat is used. write an equation to model this situation if c=total coast and h=munber of hours
Click here to see answer by rfer(12654)

Question 337474: "The perimeter of a pool table is 30 feet. The table is twice as long as it is wide. What is the length of the pool table ?" What is an equation I could use to solve this problem ?
Click here to see answer by rfer(12654)

Question 337478: WHAT IS 1-(2-3)+8
Click here to see answer by rfer(12654)

Question 337477: How do I solve the equation, = ?
2/(X+4) + 1 = 12/(X^2+9X+20)
1={12/{(X+5)(X+4)} *(X+4)/2]
1=[{12 (X+4) }/{2(X+4)(X+5)}] …
(X+4) IS CANCEL AND 12/2 IS 6
1*(X+5)=[6(1/(X+5)) *(X+5)] MULTIPLY THE INVERSE
1*(X+5) = 6 SUBTRACT BOTH SIDES WITH 5
X+5-5 = 6-5
X=1
Click here to see answer by chiexpert(48)

Question 337504: Add or subtract terms whenever possible.
2 cubed root of 24 (twenty four is in square root) + cubed root of 24 (twenty four is in square root)
Answer choices:
A.) 10 cubed root 3
B.) 2 cubed root 216
C.) 4 cubed root 3
D.) 3 cubed root 216
Thanks!
Click here to see answer by stanbon(57282)

Question 337454: 5/14 - 2/x = 3x
Click here to see answer by Fombitz(13828)

Question 337454: 5/14 - 2/x = 3x
Click here to see answer by edjones(7569)

Question 337458: Find the solutions from the following list given:
w+16=31,13,15,17
Click here to see answer by edjones(7569)

Question 337579: an empty bucket is put under two faucets. If one faucet is turned on alone, the bucket fills in 6 minutes. If the other faucet is turned on alone, the bucket fills in 4 minutes. If bothe are turned on, how many seconds will it take to fill the bucket?
Click here to see answer by solver91311(16872)

Question 337578: the coastline of california is 46 miles longer than twice the length of louisianas coastline it is also 443 miles longer than louisianas coastline find the lengths of the coastlines of california and louisiana
C= CAL COAT
L= LOUISIANA COAST
C = 2L+46
C=L+443
2L+46 = L+443
L=443-46
L = 397 MILES LOUISIANA COAST

C = 2(397)+46
C =840 MILES CAL. COAST

Click here to see answer by chiexpert(48)

Question 337386: 2m + 3mn + 2m + mn
Click here to see answer by mananth(12270)

Question 337674: |2x-1|=5
2x-1=5 or 2x-1=-5
+1 +1 +1 +1
2x=6 or 2x=-4
/2 /2 /2 /2
x=3 or x=-2
Click here to see answer by Fombitz(13828)

Question 337679: Solve the equation by factoring:
3x(x-1)=7x^2-4x
Answer choices:
A.) {-1/4, 0}
B.) {0, 4}
C.) {0}
D.) {0, 1/4)
3x(x-1)=7x^2-4x
3X^2 -3A = 7X^2 - 4X
X = 4X^2
0 = 4X^2 - X

0 = X (4X-1)
X=0 OR 4X-1=0 4X = 1 X=1/4
0,1/4 D IS THE ANSW
Click here to see answer by chiexpert(48)

Question 337631: how to solve 7x+31=4x-11 with steps
Click here to see answer by jim_thompson5910(28536)

Question 337677: Add as indicated:
3 / x^2 -3+2 (First equation) + 5 / x^2-1 (Second part)
Answer choices:
A.) 8x-7 / (x-1)(x-2)
B.) 7x-8 / (x-1)(x+1)(x-2)
C.) 8x-7 / (x-1)(x+1)(x-2)
D.) 30x-7 / (x-1)(x+1)(x-2)
Thanks
Click here to see answer by Fombitz(13828)

Question 337285: how to solve
5x
___ = -10
6
Click here to see answer by jim_thompson5910(28536)

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