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5(2n-6)-3n=-72
We simplify the equation to the form, which is simple to understand
5(2n-6)-3n=-72
Reorder the terms in parentheses
+(+10n-30)-3n=-72
Remove unnecessary parentheses
+10n-30-3n=-72
We move all terms containing n to the left and all other terms to the right.
+10n-3n=-72+30
We simplify left and right side of the equation.
+7n=-42
We divide both sides of the equation by 7 to get n.
n=-6
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