-102=-6(3+2a)

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Solution for -102=-6(3+2a) equation: 



-102=-6(3+2a)

We move all terms to the left:

-102-(-6(3+2a))=0

We add all the numbers together, and all the variables

-(-6(2a+3))-102=0



We calculate terms in parentheses: -(-6(2a+3)), so:

-6(2a+3)

We multiply parentheses

-12a-18

Back to the equation:

-(-12a-18)



We get rid of parentheses

12a+18-102=0

We add all the numbers together, and all the variables

12a-84=0

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

12a=84

a=84/12

a=7

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