3n+7=-7+n

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Solution for 3n+7=-7+n equation: 



3n+7=-7+n

We move all terms to the left:

3n+7-(-7+n)=0

We add all the numbers together, and all the variables

3n-(n-7)+7=0

We get rid of parentheses

3n-n+7+7=0

We add all the numbers together, and all the variables

2n+14=0

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

2n=-14

n=-14/2

n=-7

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