-102=6(1-2a)

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Solution for -102=6(1-2a) equation: 



-102=6(1-2a)

We move all terms to the left:

-102-(6(1-2a))=0

We add all the numbers together, and all the variables

-(6(-2a+1))-102=0



We calculate terms in parentheses: -(6(-2a+1)), so:

6(-2a+1)

We multiply parentheses

-12a+6

Back to the equation:

-(-12a+6)



We get rid of parentheses

12a-6-102=0

We add all the numbers together, and all the variables

12a-108=0

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

12a=108

a=108/12

a=9

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