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3(-4+n)=-51
We move all terms to the left:
3(-4+n)-(-51)=0
We add all the numbers together, and all the variables
3(n-4)-(-51)=0
We add all the numbers together, and all the variables
3(n-4)+51=0
We multiply parentheses
3n-12+51=0
We add all the numbers together, and all the variables
3n+39=0
We move all terms containing n to the left, all other terms to the right
3n=-39
n=-39/3
n=-13
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