-12=-2a+4

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Solution for -12=-2a+4 equation: 



-12=-2a+4

We move all terms to the left:

-12-(-2a+4)=0

We get rid of parentheses

2a-4-12=0

We add all the numbers together, and all the variables

2a-16=0

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

2a=16

a=16/2

a=8

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