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-126=-3n+5(-6+3n)
We move all terms to the left:
-126-(-3n+5(-6+3n))=0
We add all the numbers together, and all the variables
-(-3n+5(3n-6))-126=0
We calculate terms in parentheses: -(-3n+5(3n-6)), so:We get rid of parentheses
-3n+5(3n-6)
We multiply parentheses
-3n+15n-30
We add all the numbers together, and all the variables
12n-30
Back to the equation:
-(12n-30)
-12n+30-126=0
We add all the numbers together, and all the variables
-12n-96=0
We move all terms containing n to the left, all other terms to the right
-12n=96
n=96/-12
n=-8
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