0.5a-8=-12

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Solution for 0.5a-8=-12 equation: 



0.5a-8=-12

We move all terms to the left:

0.5a-8-(-12)=0

We add all the numbers together, and all the variables

0.5a+4=0

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

0.5a=-4

a=-4/0.5

a=-8

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