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

Tutors Answer Your Questions about expressions (FREE)

Question 998063: -5n + 3 (6+7n) ==
Click here to see answer by fractalier(6550)

Question 998075: 9a+10 (6a-1)
Click here to see answer by fractalier(6550)

Question 998075: 9a+10 (6a-1)
Click here to see answer by stanbon(75887)

Question 998121: How to make the answer 79
Out of 28-3�3+4 with parentheses

Click here to see answer by fractalier(6550)

Question 998127: How to get the answer 23 by using this mathproblem
28-3�3+4
Click here to see answer by fractalier(6550)

Question 997423: 1.45-0.85=n

Click here to see answer by EdenWolf(517)

Question 998182: Write 2 word phrases for each algebraic expressions.
1) q�15 2) 5m 3) 8+b 4) 27-m 5) 18�a
Click here to see answer by solver91311(24713)

Question 998494: How to solve for 1+ (6/x) + (9/x^2) ?
Click here to see answer by ikleyn(52835)

Question 998761: Please help me solve this
Y + 1
Y^2+6y+9 y^2 + 2y -3
Click here to see answer by Alan3354(69443)

Question 999565: Can you please explain the following steps for solving the equation. I understand how to write it but need the steps for solving it.
One half of a number is 14 more than 2 times the number. Thank you
Click here to see answer by Theo(13342)

Question 1001070: 2to the negative 4
Click here to see answer by EdenWolf(517)

Question 1001071: 3to the negative 2
Click here to see answer by KaseyJones(1)

Question 1001071: 3to the negative 2
Click here to see answer by stanbon(75887)

Question 1002212: what is (5a+3)^3? how is that set up and solved?

Click here to see answer by addingup(3677)

Question 1002512: domain of 2x(x-7)/2x^2-9x-5
Click here to see answer by stanbon(75887)

Question 1002765: Solve for x
Y=3bx -7x
Click here to see answer by fractalier(6550)

Question 1002764: Solve for x
Y=3bx -7x
Click here to see answer by fractalier(6550)

Question 1002904: 4x+4(2x-)=20
Click here to see answer by Alan3354(69443)

Question 1002927: Solve:
3x-2+6x=25
Click here to see answer by stanbon(75887)

Question 1003203: 1. -7+6x=-3(7-2x)
2. 16+8x=-8(x-3)-8
3. 5(x+3)=15+5x
Can you help me solve these ? THANKS
Click here to see answer by fractalier(6550)

Question 1003389: (X+1)^2. (x-1)^2
---- - -----
2 2

this problem is based on pythagorous theorem bd^2=od^2-ob^ pls sir explain me clearly because iam also weak in math
Ans=4x/4
Click here to see answer by Alan3354(69443)

Question 1004770: 3b+8+2x1b-4

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Question 1004929: what is 8-3(6-6x) =

Click here to see answer by fractalier(6550)

Question 1005143: 3�1.6^4+9�1.6�2/6-18.4
Click here to see answer by fractalier(6550)

Question 1005387: 2x+3y-z if x=2,y=-1 and z=3
Click here to see answer by ikleyn(52835)

Question 1006456: Surds - expand and simplify.
(sqrt(3) + sqrt(2))sqrt(5) = sqrt(7))
Please explain, thanks
Click here to see answer by Edwin McCravy(20060)

Question 1007000: 5 expressions that are equal to 8x + 16?
Click here to see answer by fractalier(6550)

Question 1007332: 2x-2+16=32. find the value of x

Click here to see answer by tiffany222(56)

Question 1007581: Sorry, my browser won't let me choose what topic.
I'm lost as to how plus and minus signs can change in expressions.
In the expression -2+(-10-8 x (-4) x (-3)
which equals= -2+(-10+32) x (-3)
and so on......
How does 8 x -4, which equals -32, become a positive 32 on the next line?
Thanks

Click here to see answer by Alan3354(69443)

Question 1007588: 6 to the 3rd power times 6 to 2nd power is equal to what?

Click here to see answer by fractalier(6550)

Question 1007734: Simplify:
(2-4y)^2 / 4y-2
Please explain clearly, step by step, how you got to the answer. Thank you!
Click here to see answer by Theo(13342)

Question 1007733: [(1-x^2)(x+2)^2] / (2+x)(x-1)
Please explain clearly, step by step, how you got to the answer. Thank you!
Click here to see answer by fractalier(6550)

Question 1007333: 2�x-2+16=32. find the value of x

Click here to see answer by fractalier(6550)

Question 1007884: Y=x^2+x-6
Click here to see answer by fractalier(6550)

Question 1008224: Simplify the complex fraction completely: (9 - m2 n-2) � (3 - m1 n-1)
Click here to see answer by Alan3354(69443)

Question 1008226: Solve the equation: 10/b2 - 3b - 4 = 3b/b -4 - 2/b + 1

Click here to see answer by MathLover1(20850)

Question 1008326: 7x+1/x � x/49x-1
Click here to see answer by Alan3354(69443)

Question 1008308: Simplify the complex fraction completely: (9 - m^2 n^-2) � (3 - m^1 n^-1)
Click here to see answer by josgarithmetic(39623)

Question 1008317: Simplify: 7 + 1/x � 49x -1/x

Click here to see answer by fractalier(6550)

Question 1008222: Add or subtract as indicted and simplify the result: 3/z + 7 + 24/z2 + 6z - 7

Click here to see answer by fractalier(6550)

Question 1008333: Solve the equation: 6w/w-4 -5 =24/w - 4

Click here to see answer by fractalier(6550)

Question 1009069: Change the subject of the formula to y:
x= (y+3)/(y-1)
Please give a clear explanation. Thanks!
Click here to see answer by stanbon(75887)

Question 1009485: 0.4(3(4)-2)+2(4)+4�3
Click here to see answer by fractalier(6550)

Question 1009532: If t= e(x+2 )then x=

Click here to see answer by fractalier(6550)

Question 1009523: If f(x)=x2-kx-3 and f(2)=9, then k =
Click here to see answer by fractalier(6550)

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