-3(10+2a)=54

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Solution for -3(10+2a)=54 equation: 



-3(10+2a)=54

We move all terms to the left:

-3(10+2a)-(54)=0

We add all the numbers together, and all the variables

-3(2a+10)-54=0

We multiply parentheses

-6a-30-54=0

We add all the numbers together, and all the variables

-6a-84=0

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

-6a=84

a=84/-6

a=-14

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