12a-7=-31

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Solution for 12a-7=-31 equation:



12a-7=-31
We move all terms to the left:
12a-7-(-31)=0
We add all the numbers together, and all the variables
12a+24=0
We move all terms containing a to the left, all other terms to the right
12a=-24
a=-24/12
a=-2

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