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-37-3n=4(n+3)
We move all terms to the left:
-37-3n-(4(n+3))=0
We calculate terms in parentheses: -(4(n+3)), so:We get rid of parentheses
4(n+3)
We multiply parentheses
4n+12
Back to the equation:
-(4n+12)
-3n-4n-12-37=0
We add all the numbers together, and all the variables
-7n-49=0
We move all terms containing n to the left, all other terms to the right
-7n=49
n=49/-7
n=-7
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