SOLUTION: can you help me simplfy these problems for homework due tommorow ? please . 8y-(3-6y) -7+(9x-8) -(-2r+7s)+2(r+s) 2x+3y-(x+5y) 2a+3b+2(a-2b) 5m+4n+3(2m-5n 4m+3n-2(m+3n) 7x-4

Algebra ->  Distributive-associative-commutative-properties -> SOLUTION: can you help me simplfy these problems for homework due tommorow ? please . 8y-(3-6y) -7+(9x-8) -(-2r+7s)+2(r+s) 2x+3y-(x+5y) 2a+3b+2(a-2b) 5m+4n+3(2m-5n 4m+3n-2(m+3n) 7x-4      Log On


   

Question 650880: can you help me simplfy these problems for homework due tommorow ? please .
8y-(3-6y)
-7+(9x-8)
-(-2r+7s)+2(r+s)
2x+3y-(x+5y)
2a+3b+2(a-2b)
5m+4n+3(2m-5n
4m+3n-2(m+3n)
7x-4y-5(2y-x)
Found 2 solutions by rfer, MathLover1:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
I won't do them all, but I will show you several.
8y-(3-6y)
8y-3+6y
14y-3
---------------
-(-2r+7s)+2(r+s)
+2r-7s+2r+2s
4r-5s
------------------
5m+4n+3(2m-5n)
5m+4n+6m-10n
11m-6n


Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

8y-%283-6y%29
8y-3%2B6y
14y-3
-7%2B%289x-8%29
-7%2B9x-8
9x-8-7
9x-15

-%28-2r%2B7s%29%2B2%28r%2Bs%29...be careful with sign minus in front of parenthesis; means, everything inside parenthesis you multiply by -1
2r-7s%2B2r%2B2s
4r-5s

2x%2B3y-%28x%2B5y%29
2x%2B3y-x-5y
%282-1%29x%2B%283-5%29y
x%2By-2y

2a%2B3b%2B2%28a-2b%29
2a%2B3b%2B2a-4b
2a%2B2a%2B3b-4b
4a-b
5m%2B4n%2B3%282m-5n%29
5m%2B4n%2B6m-15n
5m%2B6m%2B4n-15n
11m-11n
11%28m-n%29

4m%2B3n-2%28m%2B3n%29
4m%2B3n-2m%2B6n
4m-2m%2B3n%2B6n
2m%2B9n

7x-4y-5%282y-x%29
7x-4y-10y-5x
7x-10y-4y-5x
-3y-9x
-3%28y%2B3x%29