18-(12a-12)=8a

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



18-(12a-12)=8a

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

-20a+30=0

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

-20a=-30

a=-30/-20

a=1+1/2

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