-2(n+1)-3(7-7n)=72

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Solution for -2(n+1)-3(7-7n)=72 equation: 



-2(n+1)-3(7-7n)=72

We move all terms to the left:

-2(n+1)-3(7-7n)-(72)=0

We add all the numbers together, and all the variables

-2(n+1)-3(-7n+7)-72=0

We multiply parentheses

-2n+21n-2-21-72=0

We add all the numbers together, and all the variables

19n-95=0

We move all terms containing n to the left, all other terms to the right

19n=95

n=95/19

n=5

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