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7n-(2n-8)=7n+(-2n+8)
We move all terms to the left:
7n-(2n-8)-(7n+(-2n+8))=0
We get rid of parentheses
7n-2n-(7n+(-2n+8))+8=0
We calculate terms in parentheses: -(7n+(-2n+8)), so:We add all the numbers together, and all the variables
7n+(-2n+8)
We get rid of parentheses
7n-2n+8
We add all the numbers together, and all the variables
5n+8
Back to the equation:
-(5n+8)
5n-(5n+8)+8=0
We get rid of parentheses
5n-5n-8+8=0
We add all the numbers together, and all the variables
=0
n=0/1
n=0
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