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n+(-8)n=91
We simplify the equation to the form, which is simple to understand
n+(-8)n=91
Reorder the terms in parentheses
n+(-8n)=91
Remove unnecessary parentheses
+n-8n=+91
We move all terms containing n to the left and all other terms to the right.
+1n-8n=+91
We simplify left and right side of the equation.
-7n=+91
We divide both sides of the equation by -7 to get n.
n=-13
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