-28=-9+8(a+6)

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Solution for -28=-9+8(a+6) equation: 



-28=-9+8(a+6)

We move all terms to the left:

-28-(-9+8(a+6))=0



We calculate terms in parentheses: -(-9+8(a+6)), so:

-9+8(a+6)

determiningTheFunctionDomain
8(a+6)-9

We multiply parentheses

8a+48-9

We add all the numbers together, and all the variables

8a+39

Back to the equation:

-(8a+39)



We get rid of parentheses

-8a-39-28=0

We add all the numbers together, and all the variables

-8a-67=0

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

-8a=67

a=67/-8

a=-8+3/8

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