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3(n+2)+7(n+3)=0
We simplify the equation to the form, which is simple to understand
3(n+2)+7(n+3)=0
Reorder the terms in parentheses
+(+3n+6)+7*(n+3)=0
Remove unnecessary parentheses
+3n+6+7+*(+n+3+)=0
Reorder the terms in parentheses
+3n+6+(+7n+21)=0
Remove unnecessary parentheses
+3n+6+7n+21=0
We move all terms containing n to the left and all other terms to the right.
+3n+7n=0-6-21
We simplify left and right side of the equation.
+10n=-27
We divide both sides of the equation by 10 to get n.
n=-2.7
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