Questions on Algebra: Evaluation of expressions, parentheses answered by real tutors!

Tutors Answer Your Questions about expressions (FREE)

Question 819054: simplify the expression 5+(4+x)

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Question 816391: what is 2-8x+3x when x=5
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Question 816394: how do I begin to Factor: 6x^2 - 4x -3xa + 2a
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Question 815154: Evaluate: 2/5 x 1/4 + 5/6 x 3/2
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Question 813941: Solve: -8+1x=-1x+4x
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Question 816428: 3x-1= 4 what does x equal?
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Question 809474: m= -4 p= 2
mp-6p=
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Question 824617: The area of a rectangle is . If the shorter side was reduced by 2cm and the longer side was increased by . Find the lengths of the sides of the original rectangle.
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Question 803715: solve for e
0.02=3.05(1.06/(1+e))
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Question 794496: what is the value of x in the algebra equation 2x-3(-7x+13)=168

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Question 794282: Please help me solve this equation:( -(-1)^3-3)^2+2*5
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Question 794197: -7(1-4m+n)
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Question 796002: 5(0.2) (91) can you help me figure this out
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Question 792791: 9+(-1)=
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Question 799099: what is the answer to 2(3+12)-5(5-4)+2
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Question 808640: Which of the following expressions does not equal 0?
A. (6-2)-|2-6|
B. (2-6)-|6-2|
C. |6-2|-|2-6|
D. |2-6|-|6-2|
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Question 811517:
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Question 803649: Perform the modular arithmetic operation. [(11 ∙ 4 + 6] (mod 8)
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Question 824641: 29-{5+3[8x(10-8)]-50}
the x stands for times
I need help please
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Question 825233: evaluate the expression for a = �1 and b = 5. (ab)2
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Question 825232: Evaluate the= �1 and b = 5. expression for a 5a-7
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Question 825573: Evaluate a^2-b divided by 3 for a=-9 and b=-6
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Question 825573: Evaluate a^2-b divided by 3 for a=-9 and b=-6
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Question 825534: pq(p-3)+p for p=5,q=2,r=-5
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Question 825831: evaluate without using a calculator, using binomial theorem,
1) 4th root (624)
2) 1/(1+x)^1/2
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Question 827284: i need help with 8th grade pre algebra
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Question 827677: x2 + 5s + 6= 0
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Question 827924: Determine which of the following points are solutions to the system of equations.
{3x � y = -4
{2x � 5y = 19
A. (−3, 5)
B. (3, −5)
C. (3, 5)
D. (−3, −5)
Please Show Work
Click here to see answer by MathLover1(20850)

Question 827923: Determine which of the following points are solutions to the system of equations.
{3x + 2y =5
{x + 2y = 7
A. (3, 0)
B. (−1, 4)
C. (3, 0)
D. (4, −1)
Please show work
Click here to see answer by MathLover1(20850)

Question 827921: Does the line through the points (2, 2) and (3, 4) intersect the line through the points (−1, 5) and (0, 7)?
Explain your response.
Please be as descriptive as possible ty

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Question 828364: what is x in
x - 12 3/4 = 17 2/5
thank you
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Question 828419: if c(x)=2x^2-4x+3 and d(x)=-x^3+x+1 find 5d(2a)
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Question 829054: Simplify 2(8r^2 + r) - 4r
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Question 829313: x+1/3=2(x-2/3)-6x

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Question 829313: x+1/3=2(x-2/3)-6x

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Question 829475: evaluate the following determinant
-5, 1, 0
2, -1, 6
5, 3 ,6
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Question 829935: Why does this not follow normal rule? 25-t=15
Is this because the varible is not first.
Please and explain the answer which should be 10.
Thanks.
Click here to see answer by oscargut(2103)

Question 830149: x = (3/4 - 4t) to the power of 2. Rearrange to make t the subject of the equation. (to be read as x = (3 over 4 (fraction) - 4t) t the power of 2.
Please help.
Click here to see answer by josgarithmetic(39623)

Question 830154: Solve the following equation
-4x + 2 = 8x + 3x + 26
Thank you.
Click here to see answer by erica65404(394)

Question 830623: A number is 1/4 of another number. If their difference is 57, find the two numbers. Show work.
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Question 830623: A number is 1/4 of another number. If their difference is 57, find the two numbers. Show work.
Click here to see answer by JulietG(1812)

Question 831297: W= 1/5mz solve for m
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Question 831442: evaluate -x^2 - 10x - 6 for x = 3

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