7(2n+3)=77

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Solution for 7(2n+3)=77 equation: 



7(2n+3)=77

We move all terms to the left:

7(2n+3)-(77)=0

We multiply parentheses

14n+21-77=0

We add all the numbers together, and all the variables

14n-56=0

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

14n=56

n=56/14

n=4

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