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.
r6s+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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