5(4n+2)-7n=-81

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Solution for 5(4n+2)-7n=-81 equation: 



5(4n+2)-7n=-81

We move all terms to the left:

5(4n+2)-7n-(-81)=0

We add all the numbers together, and all the variables

-7n+5(4n+2)+81=0

We multiply parentheses

-7n+20n+10+81=0

We add all the numbers together, and all the variables

13n+91=0

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

13n=-91

n=-91/13

n=-7

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