7=-8-5n

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Solution for 7=-8-5n equation: 



7=-8-5n

We move all terms to the left:

7-(-8-5n)=0

We add all the numbers together, and all the variables

-(-5n-8)+7=0

We get rid of parentheses

5n+8+7=0

We add all the numbers together, and all the variables

5n+15=0

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

5n=-15

n=-15/5

n=-3

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