9=2-n

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Solution for 9=2-n equation: 



9=2-n

We move all terms to the left:

9-(2-n)=0

We add all the numbers together, and all the variables

-(-1n+2)+9=0

We get rid of parentheses

1n-2+9=0

We add all the numbers together, and all the variables

n+7=0

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

n=-7

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