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

Tutors Answer Your Questions about expressions (FREE)

Question 710657: What is -s+3 = 5s+21 (The confusion is the -s...don't know what to do with it)
Thanks!
Click here to see answer by checkley79(3341)

Question 711675: What is: w - 20 = 6w
Click here to see answer by Alan3354(69443)

Question 711675: What is: w - 20 = 6w
Click here to see answer by stanbon(75887)

Question 711747: A picture measure 6 3/4 inches by 3 1/2 inches. Find the area of the picture.
Click here to see answer by tutor_paul(519)

Question 711782: How do I evaluate the expression [-10]
Click here to see answer by stanbon(75887)

Question 711782: How do I evaluate the expression [-10]
Click here to see answer by jim_thompson5910(35256)

Question 711975: 2m-7>9m+35
Click here to see answer by MathLover1(20850)

Question 711984: 3(x-9>-18

Click here to see answer by rfer(16322)

Question 712589: evaluate (a^4)^3 when a = (2/3)^-1/6
Click here to see answer by Alan3354(69443)

Question 713052: 2a(a � 5) + 4(a � 5) how do I work this expression out to simplest form.

Click here to see answer by rfer(16322)

Question 713156: Hello I'm evaluating expressions my question is -12-4x? my book just says X=1,2,3 and 4...SO I also don't understand if I'm supposed to do each problem 4 times with x being 1,2,3 and 4 ?I think I can figure the rest out I just need a reminder of how to do it again.Thank you!
Click here to see answer by ankor@dixie-net.com(22740)

Question 713349: s to the negative third power over t to the negative fifth power , simplify.

Click here to see answer by Alan3354(69443)

Question 713457: What is the definition of the associative property in a formal definition. For all....
Click here to see answer by jim_thompson5910(35256)

Question 713711: Evaluate 23x-1 for x = 1.
Click here to see answer by checkley79(3341)

Question 714101: Evaluate 5-2[-3^2+(4-2)^3]
Click here to see answer by lynnlo(4176)

Question 21186: Solve for what z equals.
5xZ+3=Z+4x5-1

Please help it seems impossible to me
Click here to see answer by Dionysus10474(5)

Question 714995: 3x-4y+9 when x=-2 and y=-5
Click here to see answer by JBarnum(2146)

Question 715210: i need to simplify this expression and i don't know how please explain how you got the answers...
4(w+4)+6(4+2w)
another expression...

5^2 divided by (9+2)+12 divided by 4-2^2

thanks so much!
Click here to see answer by rfer(16322)

Question 715211: i need to simplify this expression and i don't know how please explain how you got the answers...
4(w+4)+6(4+2w)
thanks so much!
Click here to see answer by lenny460(1073)

Question 715214: 5^2 divided by (9+2)+12 divided by 4-2^2
Click here to see answer by lynnlo(4176)

Question 716109: can you teach me

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Question 716345: I'm struggling with simplifying this equation.
Thank you, in advance, for your help.
6 {X + 2} - 5 {X-3} - 9 = ?
Here's how I've attempted to solve.
6X + 12 - 5X + 15 - 9 =
X + 18 =
I've not gotten any further. If I place the 18 on the opposite side of the equals, it'll become a - 18, thus X = - 18 ?
I'm trying to simplify and struggling.
Click here to see answer by jim_thompson5910(35256)

Question 716992: Please help me solve this inequality, it needs to be in interval notation.. not sure what to do here..Thank you
12<5x+2≤32

Click here to see answer by josgarithmetic(39623)

Question 717640: Please solve: how do I enter a power at symbol on my computer?
my algebra problem is: bc - a to the power of 2
That is the only way I know to type the problem. Can you help me with typing in the problem and find an answer to this problem?
Click here to see answer by solver91311(24713)

Question 717821: -2a(2a+3a)^2
Click here to see answer by lynnlo(4176)

Question 717826: I'm struggling in solving this question
It says evaluate :-
If F(x) = x (square) + x -1 find f(5)
Click here to see answer by Alan3354(69443)

Question 718708: simplify (3x^-3y^-2)^-2
Click here to see answer by MathLover1(20850)

Question 718833: COMPUTE 5-3/7
Click here to see answer by Alan3354(69443)

Question 719252: (4*m^2+7*m)/(2*m^2+5*m+2)-(1+7*m)/(2*m^2+5*m+2)
Click here to see answer by solver91311(24713)

Question 720205: how to do 1/2(x-4)=2/3x+1/5
Click here to see answer by lynnlo(4176)

Question 720772: 6a squared is what
ashantimccrow@yahoo.com

Click here to see answer by Simnepi(216)

Question 720823: How to simplify 1/4(a)+1/2(b)+2/5(b)+3/10(a)
Click here to see answer by lynnlo(4176)

Question 721417: Don't even know where to start with this:
simplify [(3x+2)+5y][(3x+2)-5y]
Click here to see answer by Alan3354(69443)

Question 721417: Don't even know where to start with this:
simplify [(3x+2)+5y][(3x+2)-5y]
Click here to see answer by stanbon(75887)

Question 721774: I need help with steo by step showing work in
4 1/2 - 1 2/3 =
Click here to see answer by Alan3354(69443)

Question 721842: Solve using elimination by addition of the equations: 2m-m-10, m-2n-4
Click here to see answer by solver91311(24713)

Question 722500: which expession means the same as: five times the sum of four and five tenths and x
Click here to see answer by Edwin McCravy(20060)

Question 722921: 6*7-3*4+1=27 where do the parenthesis go to make this true?
Click here to see answer by jim_thompson5910(35256)

Question 723173: Evaluate 10x for x = 3
Click here to see answer by solver91311(24713)

Question 723172: Evaluate 6x/y when x = 8 and y = 12
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Question 723192: solve the following equation for x: 3x^3+9x^2-18x=0
Click here to see answer by stanbon(75887)

Question 723263: The perimeter of an isosceles triangle with side lengths s and base length b is given by 2s + b. Find the perimeter of an isosceles triangle with side lengths s = 9 in. and base length b = 6 in.
Please help me with this and explain steps.
Click here to see answer by ankor@dixie-net.com(22740)

Question 723552: Solve for x: (1/2)x - 4 = 2.
Please show steps.
Click here to see answer by checkley79(3341)

Question 723811: ok my problem is 5k -(3k-10). I have the answer ive gotten that part. My question is why is it +10 not -10 cause 5k - 3k is 2k so i would think the problem would be 2k-10 but its saying 2k+10 why did it change?
Click here to see answer by josgarithmetic(39623)

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