Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 511621: Solve for s:
4s^2+31s+42=0
Click here to see answer by stanbon(75887)

Question 511627: the equation is w = square root of (H/500). now I want to know the H value and how to expand this equation?
Thanks and regards
Samy
Click here to see answer by stanbon(75887)

Question 511627: the equation is w = square root of (H/500). now I want to know the H value and how to expand this equation?
Thanks and regards
Samy
Click here to see answer by oberobic(2304)

Question 511623: Jack usually mows his lawn in 5 hours. Maria can mow the same yard in 3 hours. How long will it take for them to mow the lawn together?
Click here to see answer by stanbon(75887)

Question 511592: Rewrite the equation so that y is a function of x.
1.5y = 18 - 6x
2. -19x + 9y = 8x - 9
Click here to see answer by oberobic(2304)

Question 511583: Please help me solve this equation:
What is the standard form of the equation of the line that is perpendicular to 6x+5y=9 and contains (-6,-1)
Click here to see answer by Maths68(1474)

Question 511890: -2p+7=5-(5p+6)
Click here to see answer by stanbon(75887)

Question 511912: Solve for n: 4k+mn=n-3
Click here to see answer by jim_thompson5910(35256)

Question 511919: what is the step to solve -(-12)+(-11)-6-4-(-3)
Click here to see answer by rfer(16322)

Question 512041: Hi. How do you solve this:(x+2)/(x-2)+ 4/(x-2) + 4=0
Click here to see answer by jim_thompson5910(35256)

Question 512059: Aidan is doing a multiple choice test with 20 questions. He scores 3 marks for a correct answer and loses one mark if the answer is incorrect. Aidan answers all questions and scores 40 marks. How many has he got right?
Click here to see answer by stanbon(75887)

Question 512122: Can you help me solve this problem please!!!
3/4-(a-2)-1/3(5-2a)=-2
Click here to see answer by Alan3354(69443)

Question 511970: Solve for x: -3(x+n)=x
Click here to see answer by jim_thompson5910(35256)

Question 511969: Solve the equation for x: qx+x=r
Click here to see answer by jim_thompson5910(35256)

Question 511949: 3x+2y-6=0, solve for y
Click here to see answer by jim_thompson5910(35256)

Question 512325: make into an algebraic equation. 5 more than 9/4 of julies height. using j as the variable

Click here to see answer by Maths68(1474)

Question 512468: I need a breakdown of the functions (add/multiply/division, etc.) on how to arrive at the solution for the following equation (inequality):
4x + 2 � 6x < -1
I have this completed process, but i cannot figure out what was done and define each step and how they arrived at the solution:
4x + 2 - 6x < -1
(4x + 6x) + 2 < -1
(4 - 6) x + 2 < -1
-2x + 2 < -1
-2 -2
-2x < -3
-2 -2
x > 3/2
Click here to see answer by John10(297)

Question 512607: 1/6(6-x)=27+2x
Click here to see answer by rfer(16322)

Question 512645: please help me solve this equation x-6=-3
Click here to see answer by solver91311(24713)

Question 512655: The sum of 8 times a number and -8 is 360. What is the number?
Click here to see answer by solver91311(24713)

Question 512586: What is the domain for f(x)=2x-10
Click here to see answer by richard1234(7193)

Question 512833: Write an expression/equation using the numbers 3,4,6 and 9 that equals 0. Each number can only be used once. I have tried everything I can think of and cannot make it work. Please help.
Click here to see answer by richard1234(7193)

Question 512835: 22p + 11 = 4p - 7
Click here to see answer by SUNIL1987MAURYA(7)

Question 512832: 4t + 9 = -8t - 13
Click here to see answer by Maths68(1474)

Question 512831: -q - 11 = 2q + 4
Click here to see answer by Maths68(1474)

Question 512828: 12 + 5k = 15 - 4k
Click here to see answer by Maths68(1474)

Question 512827: 8b - 7 = 7b - 2
Click here to see answer by Maths68(1474)

Question 512825: 3n + 2 = -2n-8
Click here to see answer by Maths68(1474)

Question 512960: How many liters of a 10% acid solution must be mixed with a 50% acid solution in order to obtain 25 liters of a 30% solution?
Click here to see answer by Alan3354(69443)

Question 513105: if p= 0.75 and q=-16 evaluate: p+q-(-0.7)
Click here to see answer by umail08(87)

Question 513202: How do i write two times the difference of a number decreased by five is fourteen in number form?
Click here to see answer by solver91311(24713)

Question 513159: 4a +7+2a=21-a
Click here to see answer by umail08(87)

Question 513258: 4t+5-2t=5t+6

Click here to see answer by stanbon(75887)

Question 513352: t/8-6= -12
Click here to see answer by umail08(87)

Question 513356: 17-S/4 = -10
Click here to see answer by umail08(87)

Question 513356: 17-S/4 = -10
Click here to see answer by oberobic(2304)

Question 513328: how do i write "four times the sum of three times a number increased by two is equal to three times the difference of two times the number decreased by eight" in number form?
Click here to see answer by umail08(87)

Question 513379: There are 450 students who participate in extracurricular activities at school. This is 5/8 of the total number of students enrolled in the school. Write and solve an equation to find the number of students enrolled in the school.
Click here to see answer by josmiceli(19441)

Question 513374: The width of a bookshelf is 2 feet shorter than the height. If the width is 1.5 feet, what is the height of the bookshelf
Click here to see answer by Alan3354(69443)

Question 513430: Hi,
I did not get the right answer to the problem
Square root of (3x-2) - Square root of (x+2) = 4
I said:
3x-2 - (x+2) = (4)^2
3x-2 - x - 2 = 16
2x=20
x=10
but when I did the check, the answer is 34. How can I get 34 from this? What did I do wrong?
Thank you so much for finding the time to answer my question.
Sincerely,
I.
Click here to see answer by drcole(72)

Question 513476: is f(x)=t^2+2t-3 an odd or even function? how?
Click here to see answer by stanbon(75887)

Question 513493: Good evening,
I am having difficulties factoring out this problem:
x^3 - 6x^2 + 11x -6 = 0
When I factored it as (x-2)^3, I got
x^2 -6x^2 + 12X - 8 but I cannot get it to the exact answer. Can you help me please solve this problem?
Thank you.
I.
Click here to see answer by scott8148(6628)

Question 513449: Hi, can you help me please with this equation?
Square root of (3x+10) = x+2
Upon solving, I got x= -3 and x= 2.
When I plugged in the roots, I did not get the check for x= -3. I got
Square root of (-9+10) = -3+2
1 = -1 which is FALSE; thus, x = -3 is NOT the solution. And only x = 2 is the solution. Is that right or not? Please help me answer this question and tell me if x = -3 is or is NOT the solution?
Thank you so much.
I.
Click here to see answer by scott8148(6628)

Question 513491: 5(g+8)+7+4g
Click here to see answer by Maths68(1474)

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