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5(n+3)-3=2n
We move all terms to the left:
5(n+3)-3-(2n)=0
We add all the numbers together, and all the variables
-2n+5(n+3)-3=0
We multiply parentheses
-2n+5n+15-3=0
We add all the numbers together, and all the variables
3n+12=0
We move all terms containing n to the left, all other terms to the right
3n=-12
n=-12/3
n=-4
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