Posted by **C** on Monday, June 16, 2008 at 4:24pm.

I am having trouble figuring this out.

ADD

(r - 6s + 3) + (7r + 5s) + (s+5)

- algebra -
**DrBob 222**, Monday, June 16, 2008 at 4:56pm
Clear the parentheses.

r-6s+3+7r+5s+s+5=??

combine like terms.

- algebra -
**Adams**, Monday, June 16, 2008 at 4:57pm
I rewrite it according to terms.

r+7r= 8r which is like saying 1+7=8 (then add back the variable)

Same applies to the following:

-6s+5s+s=0 which is like saying -6+5+1=0

3+0+5= 8

So you would end up with: 8r+8

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