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2(n-3)=-2n+2n
We move all terms to the left:
2(n-3)-(-2n+2n)=0
We add all the numbers together, and all the variables
2(n-3)-0=0
We add all the numbers together, and all the variables
2(n-3)=0
We multiply parentheses
2n-6=0
We move all terms containing n to the left, all other terms to the right
2n=6
n=6/2
n=3
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