7n+15=5n-7

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



7n+15=5n-7

We move all terms to the left:

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

We get rid of parentheses

7n-5n+7+15=0

We add all the numbers together, and all the variables

2n+22=0

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

2n=-22

n=-22/2

n=-11

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