-25=-4+3(a+8)

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Solution for -25=-4+3(a+8) equation: 



-25=-4+3(a+8)

We move all terms to the left:

-25-(-4+3(a+8))=0



We calculate terms in parentheses: -(-4+3(a+8)), so:

-4+3(a+8)

determiningTheFunctionDomain
3(a+8)-4

We multiply parentheses

3a+24-4

We add all the numbers together, and all the variables

3a+20

Back to the equation:

-(3a+20)



We get rid of parentheses

-3a-20-25=0

We add all the numbers together, and all the variables

-3a-45=0

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

-3a=45

a=45/-3

a=-15

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