7=3n-8

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Solution for 7=3n-8 equation: 



7=3n-8

We move all terms to the left:

7-(3n-8)=0

We get rid of parentheses

-3n+8+7=0

We add all the numbers together, and all the variables

-3n+15=0

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

-3n=-15

n=-15/-3

n=+5

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