18-(3a-12)=8a

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Solution for 18-(3a-12)=8a equation: 



18-(3a-12)=8a

We move all terms to the left:

18-(3a-12)-(8a)=0

We add all the numbers together, and all the variables

-8a-(3a-12)+18=0

We get rid of parentheses

-8a-3a+12+18=0

We add all the numbers together, and all the variables

-11a+30=0

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

-11a=-30

a=-30/-11

a=2+8/11

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