-6(-3a-2)=102

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



-6(-3a-2)=102

We move all terms to the left:

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

We multiply parentheses

18a+12-102=0

We add all the numbers together, and all the variables

18a-90=0

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

18a=90

a=90/18

a=5

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