9+1=2+a

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Solution for 9+1=2+a equation: 



9+1=2+a

We move all terms to the left:

9+1-(2+a)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-(a+2)+10=0

We get rid of parentheses

-a-2+10=0

We add all the numbers together, and all the variables

-1a+8=0

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

-a=-8

a=-8/-1

a=+8

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