6(-2a-7)=-126

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Solution for 6(-2a-7)=-126 equation: 



6(-2a-7)=-126

We move all terms to the left:

6(-2a-7)-(-126)=0

We add all the numbers together, and all the variables

6(-2a-7)+126=0

We multiply parentheses

-12a-42+126=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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