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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-7n+9n+9-7=0

We add all the numbers together, and all the variables

2n+2=0

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

2n=-2

n=-2/2

n=-1

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