2-3a=-19

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Solution for 2-3a=-19 equation: 



2-3a=-19

We move all terms to the left:

2-3a-(-19)=0

We add all the numbers together, and all the variables

-3a+21=0

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

-3a=-21

a=-21/-3

a=+7

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