7n=-3n+80

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Solution for 7n=-3n+80 equation: 



7n=-3n+80

We move all terms to the left:

7n-(-3n+80)=0

We get rid of parentheses

7n+3n-80=0

We add all the numbers together, and all the variables

10n-80=0

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

10n=80

n=80/10

n=8

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