-15=5(a+4)

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Solution for -15=5(a+4) equation: 



-15=5(a+4)

We move all terms to the left:

-15-(5(a+4))=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

-5a-20-15=0

We add all the numbers together, and all the variables

-5a-35=0

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

-5a=35

a=35/-5

a=-7

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