12=8a+4

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Solution for 12=8a+4 equation: 



12=8a+4

We move all terms to the left:

12-(8a+4)=0

We get rid of parentheses

-8a-4+12=0

We add all the numbers together, and all the variables

-8a+8=0

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

-8a=-8

a=-8/-8

a=1

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