n-7-8=-2n+9

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Solution for n-7-8=-2n+9 equation: 



n-7-8=-2n+9

We move all terms to the left:

n-7-8-(-2n+9)=0

We add all the numbers together, and all the variables

n-(-2n+9)-15=0

We get rid of parentheses

n+2n-9-15=0

We add all the numbers together, and all the variables

3n-24=0

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

3n=24

n=24/3

n=8

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