a-12=-4(-6+3a)

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Solution for a-12=-4(-6+3a) equation: 



a-12=-4(-6+3a)

We move all terms to the left:

a-12-(-4(-6+3a))=0

We add all the numbers together, and all the variables

a-(-4(3a-6))-12=0



We calculate terms in parentheses: -(-4(3a-6)), so:

-4(3a-6)

We multiply parentheses

-12a+24

Back to the equation:

-(-12a+24)



We get rid of parentheses

a+12a-24-12=0

We add all the numbers together, and all the variables

13a-36=0

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

13a=36

a=36/13

a=2+10/13

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