3+12a=-31

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Solution for 3+12a=-31 equation: 



3+12a=-31

We move all terms to the left:

3+12a-(-31)=0

We add all the numbers together, and all the variables

12a+34=0

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

12a=-34

a=-34/12

a=-2+5/6

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