7n+4+7n+4-4+2(7n+4)=180

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Solution for 7n+4+7n+4-4+2(7n+4)=180 equation:


7n+4+7n+4-4+2(7n+4)=180

We simplify the equation to the form, which is simple to understand 
7n+4+7n+4-4+2(7n+4)=180

Reorder the terms in parentheses
7n+4+7n+4-4+(+14n+8)=180

Remove unnecessary parentheses
+7n+4+7n+4-4+14n+8=+180

We move all terms containing n to the left and all other terms to the right. 
+7n+7n+14n=+180-4-4+4-8

We simplify left and right side of the equation. 
+28n=+168

We divide both sides of the equation by 28 to get n. 
n=6

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