-89=7+8(x-4)

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Solution for -89=7+8(x-4) equation: 



-89=7+8(x-4)

We move all terms to the left:

-89-(7+8(x-4))=0



We calculate terms in parentheses: -(7+8(x-4)), so:

7+8(x-4)

determiningTheFunctionDomain
8(x-4)+7

We multiply parentheses

8x-32+7

We add all the numbers together, and all the variables

8x-25

Back to the equation:

-(8x-25)



We get rid of parentheses

-8x+25-89=0

We add all the numbers together, and all the variables

-8x-64=0

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

-8x=64

x=64/-8

x=-8

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