-7n+15=-8n

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Solution for -7n+15=-8n equation: 



-7n+15=-8n

We move all terms to the left:

-7n+15-(-8n)=0

We get rid of parentheses

-7n+8n+15=0

We add all the numbers together, and all the variables

n+15=0

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

n=-15

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