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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

-6(a+7)-6a-(6(-1a+7))=0

We add all the numbers together, and all the variables

-6a-6(a+7)-(6(-1a+7))=0

We multiply parentheses

-6a-6a-(6(-1a+7))-42=0



We calculate terms in parentheses: -(6(-1a+7)), so:

6(-1a+7)

We multiply parentheses

-6a+42

Back to the equation:

-(-6a+42)



We add all the numbers together, and all the variables

-12a-(-6a+42)-42=0

We get rid of parentheses

-12a+6a-42-42=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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