4-(a+2)=9

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Solution for 4-(a+2)=9 equation: 



4-(a+2)=9

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(a+2)-5=0

We get rid of parentheses

-a-2-5=0

We add all the numbers together, and all the variables

-1a-7=0

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

-a=7

a=7/-1

a=-7

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