6(a+7)=-138

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Solution for 6(a+7)=-138 equation: 



6(a+7)=-138

We move all terms to the left:

6(a+7)-(-138)=0

We add all the numbers together, and all the variables

6(a+7)+138=0

We multiply parentheses

6a+42+138=0

We add all the numbers together, and all the variables

6a+180=0

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

6a=-180

a=-180/6

a=-30

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