-2(3-6a)=21-2a

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Solution for -2(3-6a)=21-2a equation: 



-2(3-6a)=21-2a

We move all terms to the left:

-2(3-6a)-(21-2a)=0

We add all the numbers together, and all the variables

-2(-6a+3)-(-2a+21)=0

We multiply parentheses

12a-(-2a+21)-6=0

We get rid of parentheses

12a+2a-21-6=0

We add all the numbers together, and all the variables

14a-27=0

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

14a=27

a=27/14

a=1+13/14

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