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-2(6n-3)=-90
We simplify the equation to the form, which is simple to understand
-2(6n-3)=-90
Reorder the terms in parentheses
+(-12n+6)=-90
Remove unnecessary parentheses
-12n+6=-90
We move all terms containing n to the left and all other terms to the right.
-12n=-90-6
We simplify left and right side of the equation.
-12n=-96
We divide both sides of the equation by -12 to get n.
n=8
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