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

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Algebra: Evaluation of expressions, parentheses

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Question 213960This question is from textbook

: Please does any one know how to solve this problem. I am not getting it.
390 / [5(7+6)]
Thank you Everyone!This question is from textbook

Click here to see answer by rfer(2688)

Question 213959This question is from textbook

: I am stuck on the following roblem. Can anyone help me?
15/3x5-4^2
Thanks.This question is from textbook

Click here to see answer by checkley77(7072)

Question 213963This question is from textbook

: Does anyone know how to solve this problem. My answer doesn't match. Please help me.
6-[2+7/3 - (2x3-5)]
THANK YOU!This question is from textbook

Click here to see answer by Alan3354(6097)

Question 214468This question is from textbook pre-algebra
: 24-16+5This question is from textbook pre-algebra

Click here to see answer by Alan3354(6097)

Question 214860: Insert parenthesis to make this problem true : 2-3-4+1=4
Click here to see answer by user_dude2008(716)

Question 214876: How do you solve the question: -3+6y+4x-7y=?.I need help combining like terms. How do you do it? Please help! Thanks!
Click here to see answer by jim_thompson5910(13794)

Question 214895: What are monomial? How do you multiply and divide monomials? For example: 2n X p X 3n over 4n. X is multiply
Click here to see answer by stanbon(26297)

Question 214898: How do you use the distributive property to solve this problem. Could you please give me a detailed explaination? The problem:-6xy(14z-7)Thank you alot if you can help me with this question!
Click here to see answer by stanbon(26297)

Question 214987: Can you help me Find the value of 7(-6-2)over 4?
Click here to see answer by jim_thompson5910(13794)

Question 215105: 5x-7(x-6). The answer in the back of the book says -2x+42 but I can't figure out how they arrived at that! Please help!!! I understand the concept of FOIL (First, Outside, Inside, Last) but for some reason I can't seem to get beyond 5x squared. 5x squared - 30x -7x +42, then what? Like terms? Or do I divide by "x"? EEEK!
Click here to see answer by jim_thompson5910(13794)

Question 215425: -2x(x-8)
Click here to see answer by shymeerab(21)

Question 215667: What is an algebraic expression?
Click here to see answer by m777dhoom777t(4)

Question 215793: the expression 15-3[2+6(-3)]
Click here to see answer by checkley77(7072)

Question 215793: the expression 15-3[2+6(-3)]
Click here to see answer by stanbon(26297)

Question 215877: Okay so today in math my teacher taught us on evaluating expressions and like she wants us to show summ kind of work like:

6 to the power of 5 so you go
6*6*6*6*6
Awnswer is 7796
then she wants us to do negatives and i dont really get how to do those??
Could you help?? Please thanks tesha
Click here to see answer by checkley77(7072)

Question 215932: Solve.
23) a + b = s + r for s
Click here to see answer by rfer(2688)

Question 216002This question is from textbook PREALGEBRA
: -20=-4X-6XThis question is from textbook PREALGEBRA

Click here to see answer by drj(1380)

Question 216021: 2 negatives eguals a what
Click here to see answer by stanbon(26297)

Question 216227: 9=-5g-23
Click here to see answer by checkley77(7072)

Question 216316: 7+3/2+3
Click here to see answer by RayVelbis(4)

Question 216322: 6+30/9.7
Click here to see answer by checkley77(7072)

Question 216483: how to solve .67=(x-110)/25
Thanks
Click here to see answer by stanbon(26297)

Question 216751: Thank you so much for your assistancew. Here is my first algebra question:
What is a numerical or algebraix expression dore the word expression:
63b,for b = 15.
Click here to see answer by Alan3354(6097)

Question 216821: i am doing algebra, solving equations with variables on both sides
what is 3p-8 = 13-4p
Click here to see answer by Studenttt(8)

Question 215500: Add parentheses to make this statement true.
8-2+2=2
Click here to see answer by Studenttt(8)

Question 217073: Hi my name is Haley, and I am falling behind alot in Algebra 1 and i'm not sure what to do...it seems like everybody else around me gets it. I know i am smart but i feel really stupid. Can u please help?
Click here to see answer by Alan3354(6097)

Question 217307: Please help factor the expression
1) y^2-16
2) n^4-m^4
3) 12a^4b^3c^4-108a^2bc^6
4) p^3-q^3=(p-q)
Click here to see answer by jsmallt9(594)

Question 217543: Please help me simplify this equation: 2x(2x-4)
Click here to see answer by Theo(675)

Question 217543: Please help me simplify this equation: 2x(2x-4)
Click here to see answer by rfer(2688)

Question 217543: Please help me simplify this equation: 2x(2x-4)
Click here to see answer by drj(1380)

Question 217542: Please help me simplify this equation: 4(x-3)+7x
Click here to see answer by rfer(2688)

Question 217541: Please help me solve this equation: 2x(2x-4)
Click here to see answer by drj(1380)

Question 217773: 6t+2+3t+17=10

Click here to see answer by rfer(2688)

Question 217773: 6t+2+3t+17=10

Click here to see answer by Lisalsb(1)

Question 218120: rewrite the expression without double signs, then simplify.
-55+(-27)
Click here to see answer by drj(1380)

Question 218105: -0.9x-7.2+0.3x-12 When x= 5
Click here to see answer by rfer(2688)

Question 218438: Write an equivalent expression using exponential notation. 5√(n4)
I do not understand the check marks:(
Click here to see answer by stanbon(26297)

Question 218559: how do i simplify this equation 2(7 - t) + 14t - 11
Click here to see answer by checkley77(7072)

Question 219075: How Do Solve This Problem?
10(0.7-0.9)
Click here to see answer by user_dude2008(716)

Question 219158: What is the answer to this problem?
7(a+1)+3=1/7(49a+70)

Click here to see answer by jim_thompson5910(13794)

Question 219158: What is the answer to this problem?
7(a+1)+3=1/7(49a+70)

Click here to see answer by kannan(2)

Question 219282: 7 more than x
Click here to see answer by user_dude2008(716)

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