-16+7a=-6(-7-6a)

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Solution for -16+7a=-6(-7-6a) equation: 



-16+7a=-6(-7-6a)

We move all terms to the left:

-16+7a-(-6(-7-6a))=0

We add all the numbers together, and all the variables

7a-(-6(-6a-7))-16=0



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

-6(-6a-7)

We multiply parentheses

36a+42

Back to the equation:

-(36a+42)



We get rid of parentheses

7a-36a-42-16=0

We add all the numbers together, and all the variables

-29a-58=0

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

-29a=58

a=58/-29

a=-2

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