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-2(7n-7)=6(2-2n)
We move all terms to the left:
-2(7n-7)-(6(2-2n))=0
We add all the numbers together, and all the variables
-2(7n-7)-(6(-2n+2))=0
We multiply parentheses
-14n-(6(-2n+2))+14=0
We calculate terms in parentheses: -(6(-2n+2)), so:We get rid of parentheses
6(-2n+2)
We multiply parentheses
-12n+12
Back to the equation:
-(-12n+12)
-14n+12n-12+14=0
We add all the numbers together, and all the variables
-2n+2=0
We move all terms containing n to the left, all other terms to the right
-2n=-2
n=-2/-2
n=1
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