-2-7n+9n=n-7

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Solution for -2-7n+9n=n-7 equation: 



-2-7n+9n=n-7

We move all terms to the left:

-2-7n+9n-(n-7)=0

We add all the numbers together, and all the variables

2n-(n-7)-2=0

We get rid of parentheses

2n-n+7-2=0

We add all the numbers together, and all the variables

n+5=0

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

n=-5

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