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8=n-(-15)
We move all terms to the left:
8-(n-(-15))=0
We calculate terms in parentheses: -(n-(-15)), so:We get rid of parentheses
n-(-15)
We add all the numbers together, and all the variables
n+15
Back to the equation:
-(n+15)
-n-15+8=0
We add all the numbers together, and all the variables
-1n-7=0
We move all terms containing n to the left, all other terms to the right
-n=7
n=7/-1
n=-7
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