-8+7a=5(-4+a)

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Solution for -8+7a=5(-4+a) equation: 



-8+7a=5(-4+a)

We move all terms to the left:

-8+7a-(5(-4+a))=0

We add all the numbers together, and all the variables

7a-(5(a-4))-8=0



We calculate terms in parentheses: -(5(a-4)), so:

5(a-4)

We multiply parentheses

5a-20

Back to the equation:

-(5a-20)



We get rid of parentheses

7a-5a+20-8=0

We add all the numbers together, and all the variables

2a+12=0

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

2a=-12

a=-12/2

a=-6

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