12-7a=-2

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Solution for 12-7a=-2 equation: 



12-7a=-2

We move all terms to the left:

12-7a-(-2)=0

We add all the numbers together, and all the variables

-7a+14=0

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

-7a=-14

a=-14/-7

a=+2

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