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(n)(156)=(n-2)(180)
We simplify the equation to the form, which is simple to understand
(n)*(156)=(n-2)*(180)
Reorder the terms in parentheses
multiplication of parentheses
(+156n)=(n-2)*(180)
Remove unnecessary parentheses
+156n=(n-2)*(180)
Reorder the terms in parentheses
multiplication of parentheses
+156n=(+180n-360)
Remove unnecessary parentheses
+156n=+180n-360
We move all terms containing n to the left and all other terms to the right.
+156n-180n=-360
We simplify left and right side of the equation.
-24n=-360
We divide both sides of the equation by -24 to get n.
n=15
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