2a-12=-20

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Solution for 2a-12=-20 equation:



2a-12=-20
We move all terms to the left:
2a-12-(-20)=0
We add all the numbers together, and all the variables
2a+8=0
We move all terms containing a to the left, all other terms to the right
2a=-8
a=-8/2
a=-4

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