3a-12=2(4-3a)-2

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Solution for 3a-12=2(4-3a)-2 equation: 



3a-12=2(4-3a)-2

We move all terms to the left:

3a-12-(2(4-3a)-2)=0

We add all the numbers together, and all the variables

3a-(2(-3a+4)-2)-12=0



We calculate terms in parentheses: -(2(-3a+4)-2), so:

2(-3a+4)-2

We multiply parentheses

-6a+8-2

We add all the numbers together, and all the variables

-6a+6

Back to the equation:

-(-6a+6)



We get rid of parentheses

3a+6a-6-12=0

We add all the numbers together, and all the variables

9a-18=0

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

9a=18

a=18/9

a=2

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