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2(-2n+3)-2(n-1)=28
We move all terms to the left:
2(-2n+3)-2(n-1)-(28)=0
We multiply parentheses
-4n-2n+6+2-28=0
We add all the numbers together, and all the variables
-6n-20=0
We move all terms containing n to the left, all other terms to the right
-6n=20
n=20/-6
n=-3+1/3
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