Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 129015: 6x-2=x+13
Click here to see answer by jim_thompson5910(35256)

Question 129052:

Can you please help me, I dont understand equations. x+2x+14=5x+2

Click here to see answer by MathLover1(20849)

Question 129052:

Can you please help me, I dont understand equations. x+2x+14=5x+2

Click here to see answer by checkley71(8403)

Question 129083: I need to find the standard form of he equation of the line that passes through the point (1,4) and is parallel to the line 7x+y=-3.
Click here to see answer by solver91311(24713)

Question 129129: ben has 16 jellybeans in his bag. he has 8 red ones, 4 green ones and 4 blue ones. what is the minimum number of jellybeams he must take out of his bag to ensure he has one of each color?
Click here to see answer by checkley71(8403)

Question 129126: pls help...

if r = 5z then 15z = 3y, then r = ?
Click here to see answer by checkley71(8403)

Question 129320: Question:
4 (y-1) + 3 = 2y - 7
What I have done so far:
4y + 3 = 2y - 7 <-----the second step
I got this question from Mathpower 8
Click here to see answer by checkley71(8403)

Question 129513: Can you help find the answer to 2(n+6)=80
Click here to see answer by jim_thompson5910(35256)

Question 129509: One-half of Mr. Staines' age four years from now minus three-fourths of Mr. Staines' age four years ago is zero. What is Mr. Staines' present age?
Click here to see answer by ptaylor(2198)

Question 129550: If [x] represents the greatest integer less than or equal to x, Solve for [x]: x * [x] = 40
Click here to see answer by ilana(307)

Question 129676: whats four times the sum of three consecutive integers is 156. what are the integers?
Click here to see answer by checkley71(8403)

Question 129684:
how can u do this equation 0.7n-1.5+7.3n=14.5
Click here to see answer by checkley71(8403)

Question 129868: The fifth number plus the third number equals fourteen.
The fourth number is one more than the second number.
The first number is one less than twice the second number.
The second number plus the third number equals ten.
The sum of all five numbers is 30.

Click here to see answer by stanbon(75887)

Question 129518: Retangular shape:
240 m perimeter
length= triple the width.
Find: length and width
tried 3(x+x)=240
No go!
Click here to see answer by scott8148(6628)

Question 130031: Can someone help me.
Square root 10a +3Square root 250a^3=
Thanks.
Click here to see answer by Earlsdon(6294)

Question 130038: Please help.
5 sq.root 75-6 sq.root 3
Click here to see answer by Earlsdon(6294)

Question 129558: We have are drills in Algebra I class. The drills are formed like this:
1. a.
b.
c.
2. a.
b.
3. and ect.
Our drills are preAlgebra reviews called Mt.Math. My class from my old school have never done monomials, binomials, and trinomials. At least I don't know. But everyone else does except me!
How do I change the 5th problem into a monomial, binomial, or tinomial?
Here is the question. You can answer one of them (monomial, binomial, or trinomial) I couldn't find a section that fit this catagorey.
5. 66
a. change to a monomial
b. change to a binomial
c. change to a trinomial
I would really appreciate the help.
Click here to see answer by scott8148(6628)

Question 130183: 1/4x-2/7=1/2x+2
Click here to see answer by checkley71(8403)

Question 130183: 1/4x-2/7=1/2x+2
Click here to see answer by stanbon(75887)

Question 130277: Your teacher is giving you a test worth 100 points containing 40 questions. There are two-point and four-point questions on the test. How many of each type of questions are on the test?
Click here to see answer by calebz423(1)

Question 130286: 3(g-3)=6
Click here to see answer by checkley71(8403)

Question 130240: C=2pi*r
Click here to see answer by ilana(307)

Question 130366: if -6(2x+1)=-4x+10, then x =
Click here to see answer by jim_thompson5910(35256)

Question 130373: could you please help me with this one
solve. elimate fraction thanks for you help

x/2 + x/3 = 20

Click here to see answer by jim_thompson5910(35256)

Question 130375: could you please help me with this equation by solving the equation
y - 1/2 = (x - 1/2)
Click here to see answer by jim_thompson5910(35256)

Question 130374: could someone please help me solve this by eliminating to fraction

1/6v +1 = 1/4v -1

Click here to see answer by jim_thompson5910(35256)

Question 130372: 1/2v = -1/2v + 3/8
Click here to see answer by jim_thompson5910(35256)

Question 130449: (3,2) Y=3X+4

Click here to see answer by checkley71(8403)

Question 130463: CAN SOMEONE HELP ME WITH THIS PROBLEM WHEN I CHECK IT THE ANSWER DOESN'T MATCH:
4W+9-W+4=3W+11
4W-W+13=3W+11
3W+13=3W+11
3W=24
W=8

CHECK:
4(8)+9-8+4=3(8)+11
32+9-8+4=24+11
41-4=35
37=35
WHAT AM I DOING WRONG?
Click here to see answer by ilana(307)

Question 130474: how do i solve by substitution -x+2y=17
Click here to see answer by ilana(307)

Question 130526: -2/5m= -6/7
solve and check
Click here to see answer by edjones(8007)

Question 130533: what is the series of arithmetic?
Click here to see answer by prabhjyot(165)

Question 130549:
6m-2=m+-116
Click here to see answer by checkley71(8403)

Question 130637: is 0 a solution of 4-3b=4-5b
Click here to see answer by Madgamer107(9)

Question 130871: What is one half of 14? Show work - please.
Click here to see answer by cngriffith(27)

Question 130958: 3
X =-343
Click here to see answer by jim_thompson5910(35256)

Question 130873: I am having a hard time figuring out this story problem: There are n teams and the number of games played is given by the polynomial n^2-n=N. A woman's softball league has 13 teams. What is the total number of games to be played?
n^2-13=N
I am not sure if I am writing out the equation correctly and where to go from there. Thank you for your time.
Click here to see answer by checkley71(8403)

Question 131056: I can't figure out what formula to use for this word problem. :
You invest $6000 in two accounts paying 6% and 9% annual interest, respectively. At the end of the year, the accounts earn the same interest. How much was invested at each rate?
Click here to see answer by checkley71(8403)

Question 131090: 4/2x=2/(1-3x)
Click here to see answer by pug912(10)

Question 131116: A lawyer bills her clients $250 per hour of service. If a client's case requires 47 hours to complete, use proportion to calculate how much the client will owe the lawyer (excluding tax).

Click here to see answer by checkley71(8403)

Question 131091: Is this true or false? When dividing a fraction, the numerator is inverted and multiplied by the denominator.
Click here to see answer by ptaylor(2198)

Question 131094: 123/6292 carry out three places
Click here to see answer by checkley71(8403)

Question 131201: Can you pls solve for a and b. I've tried and got a= -3, and b= 10, but the answer is a=10, b=3. I do not understand how they arrived at that answer.
The equations are: a - b = 7, and a - 4b = -7. Please solve for a and b and explain how you arrived at the answer. Thanks.
Click here to see answer by edjones(8007)

Question 131203: Can you pls solve for a and b. I've tried and got a= -3, and b= 10, but the answer is a=10, b=3. I do not understand how they arrived at that answer.

The equations are: a - b = 7, and a - 4b = -7. Please solve for a and b and explain how you arrived at the answer. Thanks.
The Problem was taken from The Princeton Review, Math Smart.
ISBN 0-375-76216-7
Click here to see answer by checkley71(8403)

Question 131220: Fractional Equation-please solve and show work

x/4 - x+4/5 = 1
Thank you!
Click here to see answer by checkley71(8403)

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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39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580