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Algebra: Operations with Signed Numbers

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Question 177037This question is from textbook
: Simplify: 6a-{-7b-2[2a-(2b-3a)
This is from an online class.

Thanks,
Donna

This question is from textbook

Click here to see answer by jim_thompson5910(13787)

Question 178682: d=c-s/5n for s
Click here to see answer by Alan3354(6059)

Question 178682: d=c-s/5n for s
Click here to see answer by stanbon(26259)

Question 178680: p=16ab/3c for c
Click here to see answer by Mathtut(3670)

Question 178680: p=16ab/3c for c
Click here to see answer by stanbon(26259)

Question 179263: -3+-4=
-4x0=
0 divided by-7
4/5 divided by 1/5 =
Click here to see answer by Mathtut(3670)

Question 179437: 6a2B3-3a2b
Click here to see answer by stanbon(26259)

Question 179998: if m=4 what is 3m?
Click here to see answer by Mathtut(3670)

Question 180534: Perform the indicated operations:
(5x2 - 3x + 2) + (-3x2 - 5x - 8) - (-x2 - 3x + 10)

Show Steps!
Click here to see answer by vleith(1977)

Question 180895: how do you add and subtract integers?

Click here to see answer by Mathtut(3670)

Question 181318: A man spent 1/3 of his money on rent, 1/2 on food and had 2500 left. How much money did he have at first?

Click here to see answer by Mathtut(3670)

Question 181958: -2(x+5)=5x+46
Click here to see answer by jim_thompson5910(13787)

Question 181960: y=1/4x+5
Click here to see answer by jim_thompson5910(13787)

Question 181959: -4(-5+y)+4(5y+6)
Click here to see answer by jim_thompson5910(13787)

Question 182078: Simplify.
(z-8)(z+3)
Click here to see answer by jim_thompson5910(13787)

Question 182079: Write answer without parentheses.
(7w+5)^2
Click here to see answer by jim_thompson5910(13787)

Question 182072: (5y+5u-6)(5y+3u-5)
Click here to see answer by checkley77(7035)

Question 182072: (5y+5u-6)(5y+3u-5)
Click here to see answer by jim_thompson5910(13787)

Question 182074: (-w²-9w+4-(8w²-4)+(6w²-w+9)
Click here to see answer by mastermath(14)

Question 184009: How do I solve this: x^2+13x+12 divided by x-1
Click here to see answer by stanbon(26259)

Question 184455: Sample question: 10/11 x -2/3
Click here to see answer by edjones(3292)

Question 184822: solve; 8+(-5)+(-10)+6
Click here to see answer by alaccalac(13)

Question 181997: [(3*16)divide3*6-2]divide7
Click here to see answer by Cheryl0029(1)

Question 188324: i cant resolve this problem... (5)5+(5)5+(5)5+(5)5+(5)5 =
thanks...and could you explain why??
Click here to see answer by checkley77(7035)

Question 182081: (15x^3y^2-8x^2y+7xy^2)-(3x^3y^2+3x^2y-4xy^2
Click here to see answer by greta_elisif(10)

Question 189491:
Click here to see answer by greta_elisif(10)

Question 190546: How do you solve a problem like this?
(n)(-n)2n)
do you add the n's? or just keep as one? please helppp
Click here to see answer by solver91311(5072)

Question 191961: for which value(s) of the variable is 4x to the 2nd power over x to the 2nd power-16, undefined?
Click here to see answer by Mathtut(3670)

Question 193798: solve: -5 1/2 + 7 3/4
Click here to see answer by RAY100(1637)

Question 194888: Solve by using the perfect squares method.
x2 + 4x + 4 = 0

I am not quite sure how to do this problem.
Click here to see answer by checkley77(7035)

Question 194888: Solve by using the perfect squares method.
x2 + 4x + 4 = 0

I am not quite sure how to do this problem.
Click here to see answer by solver91311(5072)

Question 195101: Please help me. I dont understand this at all. I have 2 questions this time. They are just really confusing to me.
1.) Solve by using the perfect squares method.
x2 + 4x + 4 = 0

2. Solve.
x2 + 5x 6 = 0

Click here to see answer by msmackenzey(1)

Question 195103: How would you do these problems???

5. Solve: 6x2 + 12x = 0

6. Solve each problem by using the quadratic formula. Write solutions in simplest radical form.
2x2 - 2x -1 = 0

Click here to see answer by vleith(1977)

Question 195102: I have another two questions. This is confusing to me too. please help me.

3.) What value should be added to the expression to create a perfect square?
x2 - 20x

4. Solve.
x2 + 8x 8 = 0

Click here to see answer by jim_thompson5910(13787)

Question 195287: w²-9w+7
I just seem to be stuck on this one its questions 19 of 20 and of course it had to trip me up
Click here to see answer by Mathtut(3670)

Question 195531: ( sqrt 5 - sqrt7)^2

answer:12 - 2 sqrt 35

ok so i tried the foil method and i got sqrt 5 sqrt7 as my answer can anyone tell me how my book got 12-2 sqrt 35 as an answer
Click here to see answer by jim_thompson5910(13787)

Question 195508: Solve: 12(3z + c) - 2(2z + 4c)

Solve: 3x-4=2x + 8
Click here to see answer by user_dude2008(715)

Question 197208: RESPECTED SIR & MADUM,
1] In the formula w=p/trootv, integers p and t are positive constants. If w =2 when v = 1 and if when v = 64, then t = ?
PLZ SOLVE MY PROBLEM AS SOON AS POSSIBLE...
REGARDS,
BINITA

Click here to see answer by stanbon(26259)

Question 197451: What is a signed number? Why is it called singed numbers?
Click here to see answer by edjones(3292)

Question 198655: 1.what is the largest one-digit natural number?
2.what is the largest two-digit whole number?
3.is 12 a digit?
4.write the consecutive natural numbers > 14 and < 17
5.is 2.3 a real number?
Click here to see answer by vleith(1977)

Question 198698: 6+3*4-2 is it 16?
Click here to see answer by arallie(162)

Question 199626: I'm to start Embry-Riddle Aeronautical in less than 90 days. haven't seen math since 74. My question is. With Signed numbers(dividing) how do you solve -6*-4=?; -8*-16=?; +15*-12=?; +6*-4=?; Is it,-6*-4=+1,remainder+2? -8*-16= I have no clue to this formula,how are these problems solved? (On the textbook it just says revised and up dated,and a number (js312790-000) by jeppesen, A Boeing company.) I surly need some help. THANK YOU STINGER#3 PS.That is the ISBN; On the textbook.
Click here to see answer by solver91311(5072)

Question 199888This question is from textbook algebra 1/2

: Hi I don't under stand how -2(-2 - 3 +1) -))-3 -2) . 4) becomes -2(-4)-((-5) .4)
I uderstand I am to do all parentheses first but how do they get (-4) and (-5) How do you add or subtract (-2 - 3 +1 ) and get (-4) I get -2 -3 = 1+1 =2 not-4 can you please help !!!!!This question is from textbook algebra 1/2

Click here to see answer by checkley77(7035)

Question 199935: Hi, I'm really stuck on this one problem and are hoping you could help me out. Thanks in advance.(:

42/3*7-2(5*4+3)

Click here to see answer by Alan3354(6059)

Question 199935: Hi, I'm really stuck on this one problem and are hoping you could help me out. Thanks in advance.(:

42/3*7-2(5*4+3)

Click here to see answer by Edwin McCravy(2920)

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