31-7a=12=32

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Solution for 31-7a=12=32 equation: 



31-7a=12=32

We move all terms to the left:

31-7a-(12)=0

We add all the numbers together, and all the variables

-7a+19=0

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

-7a=-19

a=-19/-7

a=2+5/7

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