9n-7=-7n+9

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



9n-7=-7n+9

We move all terms to the left:

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

We get rid of parentheses

9n+7n-9-7=0

We add all the numbers together, and all the variables

16n-16=0

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

16n=16

n=16/16

n=1

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