Questions on Algebra: Equations answered by real tutors!

Algebra -> Algebra -> Equations -> Questions on Algebra: Equations answered by real tutors! Log On

Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

Algebra: Equations

Solvers

Lessons

Problems, free tutors

Quiz

In Depth

Tutors Answer Your Questions about Equations (FREE)

Question 50671This question is from textbook Beginning Algebra

: Rewrite the equation 2x – 8y = 48 as a function of x.This question is from textbook Beginning Algebra

Click here to see answer by venugopalramana(3286)

Question 50678: simplify:
-9(-6+2)-7{3+2(8+6)}
mike
Click here to see answer by AnlytcPhil(958)

Question 50697: For what values of x is (3-x)/(x-2) undefined?
Thanks,
Carolyn:):)
Click here to see answer by stanbon(26259)

Question 50700: Simplify:
{9/(x+1)}/{(1/3-6/(x+1)}
Thanks so much!!
Click here to see answer by stanbon(26259)

Question 50550: Let f(x) = x/(x - 1), g(x) = (x - 1)/x, h(x) = 1/(x - 1) .
Then (gh)(x) =
a. 1
b. x
c. 1/x
d. -x
e. none of these
Click here to see answer by venugopalramana(3286)

Question 50723: a=8, b= 6, d=3, and y=5
The quotient of the difference of the cube of b and the cube of d and the difference of b and d cubed.
Click here to see answer by AnlytcPhil(958)

Question 50729: simplify:
(4+3i)^2
thanks:)
Click here to see answer by AnlytcPhil(958)

Question 49139:
FIND VALUES OF X
Click here to see answer by ntnk(49)

Question 50751: simplify:
(x^3+y^3)/(x+y)
thanks:)
Click here to see answer by Nate(3495)

Question 50753: Please help. I'm in a pre-algebra class after having been out of school for 29 years and I'm going crazy trying to remember how to do this stuff! I've worked at this one problem for over two hours and I can't figure it out. here's the problem:
X/3-X/2=X/4+1/5 What is X?
Click here to see answer by Nate(3495)

Question 50804: Please can you help me solve x
(((3 + 3/x = 7)))
Thank you
Click here to see answer by AnlytcPhil(958)

Question 50805: Please can you help me find x
-7x + 8y + 3y = 10
28x/4 - 12y = 7
Click here to see answer by darq(90)

Question 50805: Please can you help me find x
-7x + 8y + 3y = 10
28x/4 - 12y = 7
Click here to see answer by AnlytcPhil(958)

Question 50806: Please can you help me find the log of
(((30 = e²)))
Click here to see answer by stanbon(26259)

Question 50792: HOW DO YOU SOLVE THIS?
X-1 - 3X-2 = 7-2X
___ ____ ____
2 4 6
Click here to see answer by stanbon(26259)

Question 50732: Solve:
1/2*x=(3*x-2)/3
thanks for all your help!!
Click here to see answer by darq(90)

Question 50727: simplify:

thanks:)
Click here to see answer by darq(90)

Question 50660This question is from textbook Beginning Algebra

: Please help evaluate
Evaluate. 8 + 2 • 5 – 24 ÷ 6 • 2This question is from textbook Beginning Algebra

Click here to see answer by tutorcecilia(2042)

Question 50167: I am thinking of three consecutive positive numbers. if I mulitiply the first with the third and then add the second, the result is 144. let x be the smallest number
Click here to see answer by darq(90)

Question 50707: Simplify:
-5*(2*x-1)=3*(x+4)
Thanks so much,
Matt
Click here to see answer by darq(90)

Question 50820: Let f(x) = x/(x - 1), g(x) = (x - 1)/x, h(x) = 1/(x - 1) .
Then (gh)(x) =
a. 1
b. x
c. 1/x
d. -x
e. none of these
Click here to see answer by stanbon(26259)

Question 50821: The inverse of f(x) = 3x + 5 is f^-1(x) =
a. (x - 5)/3
b. (x - 3)/5
c. (x + 5)/3
d. (x + 3)/5
e. none of these
Click here to see answer by stanbon(26259)

Question 50824: If f(x) = 5x^7 - 3, then f^-1(x) =
a. [(x + 7)/5]^1/3
b. [(x + 3)/5]^1/7
c. [(x + 5)/7]^1/3
d. [(x + 7)/3]^1/5
e. [(x + 3)/7]^1/5
f. [(x + 5)/3]^1/7
g. none of these
Click here to see answer by stanbon(26259)

Question 50837: -2[4-3(2-6)]
Click here to see answer by stanbon(26259)

Question 50863: Please can you help me find x
((( 8x³/2x – 3x – 2 = 0 )))
Click here to see answer by stanbon(26259)

Question 50872: I need to find the volume of the cube. Each side is equal to: 2x+1
So in the equation v= (2x+1)^3 I need to find x.

Click here to see answer by stanbon(26259)

Question 50903: (1/3)(x-6)=(-2/5)x+(14/15)
Multiply thru by 15 to get:
5(x-6)=-6x+14
5x-30=-6x+14
11x=44
x=4
So what I've done is:
1/3x-2=-2/5x+14/15
+2
------------------
1/3x=-2/5x+44/15
From here I don't know what to do. I'm terrible at fractions!
Click here to see answer by stanbon(26259)

Question 50833: 2(-n+4)-5=2n+5 what does "n" equal??
Click here to see answer by sinadone(8)

Question 50901: 3xy+y=15
I tried dividing by 3, thus leaving xy+y=2, but there's where I get stuck. I need help on how to solve this please! A soon response would be greatly appreciated.
Click here to see answer by stanbon(26259)

Question 50902: 1/3(x-6)=-2/5x+14/15
So what I've done is:
1/3x-2=-2/5x+14/15
+2
------------------
1/3x=-2/5x+44/15
From here I don't know what to do. I'm terrible at fractions!
Click here to see answer by Cintchr(475)

Question 50864: Please can you help me find x
((( 3x² - 6x + 1 = 0 )))
Click here to see answer by Cintchr(475)

Question 50885: This is for my 12 year old nephew in the 7th grade. This question is off of a worksheet. The question is:
You can use the expression 5M to find out how many seconds it takes a sound to travel M miles through the air. However, through water sound takes M seconds to travel M miles. Use an expression like 5M-M to find out how much longer it will take sound to travel 8 miles in air than in water.
Thanks!
Click here to see answer by darq(90)

Question 50944: The students found that 0.016 of the teachers were either completely brave or fearless. If 480 teachers fell into one of these caegories,how many teachers were there in all?
Click here to see answer by stanbon(26259)

Question 50959: Find the domain of g(x)=(sqrt)5-x
Click here to see answer by tutorcecilia(2042)

Question 51013: An arithmetic student needs an average of 70 or more to receive credit for the course. She scored 82, 64, and 98 on the first three exams. Write an inequality representing the score she must get on the last test to receive credit for the course
Click here to see answer by junior403(76)

Question 51047: 3n/4=-12 solve it please

Click here to see answer by checkley71(8405)

Question 51066: N-(-6)=4

Click here to see answer by junior403(76)

Question 51073This question is from textbook focus on geometry
: 3x - 2(25 - 3x)= 40This question is from textbook focus on geometry

Click here to see answer by junior403(76)

Question 51069: A bicyclist rode into the country for 5h. In returning, her speed was 5 mi/h faster and the trip took 4h. What was her speed each way?

R x T = D?????
I am not sure how to set this up and solve. Please help. Thank You.
Click here to see answer by mathchemprofessor(65)

Question 51060: Find three consecutive even integers so that 7 times the third is equal to 20 less than the first.
Click here to see answer by darq(90)

Question 51090: x to the 2nd power -5x+4
Click here to see answer by tutorcecilia(2042)

Question 51108: Find the two solutions to this equation.
ax^2+8ax=0
Click here to see answer by Earlsdon(4898)

Question 51108: Find the two solutions to this equation.
ax^2+8ax=0
Click here to see answer by Thanenjayan(7)

Question 51155: how can i find the number of yoga classes the person took using this information
a fitness center offers yoga classes for $10 per class and sells yoga mats for $19.95.A person paid a total of $139.95 to the fitness center for yoga classes and a mat. find the number of yoga classes the person took
Click here to see answer by checkley71(8405)

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