5n+15=n+7

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Solution for 5n+15=n+7 equation: 



5n+15=n+7

We move all terms to the left:

5n+15-(n+7)=0

We get rid of parentheses

5n-n-7+15=0

We add all the numbers together, and all the variables

4n+8=0

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

4n=-8

n=-8/4

n=-2

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