2n+2(5n+4)=80

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Solution for 2n+2(5n+4)=80 equation: 



2n+2(5n+4)=80

We move all terms to the left:

2n+2(5n+4)-(80)=0

We multiply parentheses

2n+10n+8-80=0

We add all the numbers together, and all the variables

12n-72=0

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

12n=72

n=72/12

n=6

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