8a-12=2a+30

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Solution for 8a-12=2a+30 equation: 



8a-12=2a+30

We move all terms to the left:

8a-12-(2a+30)=0

We get rid of parentheses

8a-2a-30-12=0

We add all the numbers together, and all the variables

6a-42=0

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

6a=42

a=42/6

a=7

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