-2+9a=-137

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Solution for -2+9a=-137 equation: 



-2+9a=-137

We move all terms to the left:

-2+9a-(-137)=0

We add all the numbers together, and all the variables

9a+135=0

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

9a=-135

a=-135/9

a=-15

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