15=7n+3

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Solution for 15=7n+3 equation: 



15=7n+3

We move all terms to the left:

15-(7n+3)=0

We get rid of parentheses

-7n-3+15=0

We add all the numbers together, and all the variables

-7n+12=0

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

-7n=-12

n=-12/-7

n=1+5/7

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