-2=a+-17

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Solution for -2=a+-17 equation: 



-2=a+-17

We move all terms to the left:

-2-(a+-17)=0

We add all the numbers together, and all the variables

-(a-17)-2=0

We get rid of parentheses

-a+17-2=0

We add all the numbers together, and all the variables

-1a+15=0

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

-a=-15

a=-15/-1

a=+15

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