-9-2=+7a

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



-9-2=+7a

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(+7a)-11=0

We get rid of parentheses

-7a-11=0

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

-7a=11

a=11/-7

a=-1+4/7

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