-3(2a+4)=54

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Solution for -3(2a+4)=54 equation: 



-3(2a+4)=54

We move all terms to the left:

-3(2a+4)-(54)=0

We multiply parentheses

-6a-12-54=0

We add all the numbers together, and all the variables

-6a-66=0

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

-6a=66

a=66/-6

a=-11

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