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

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) (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) (Show Source): You can put this solution on YOUR website!

...be careful with sign minus in front of parenthesis; means, everything inside parenthesis you multiply by

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