-109=4a+7(a-3)

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Solution for -109=4a+7(a-3) equation: 



-109=4a+7(a-3)

We move all terms to the left:

-109-(4a+7(a-3))=0



We calculate terms in parentheses: -(4a+7(a-3)), so:

4a+7(a-3)

We multiply parentheses

4a+7a-21

We add all the numbers together, and all the variables

11a-21

Back to the equation:

-(11a-21)



We get rid of parentheses

-11a+21-109=0

We add all the numbers together, and all the variables

-11a-88=0

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

-11a=88

a=88/-11

a=-8

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