-y-4=-8-9(y-8)

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Solution for -y-4=-8-9(y-8) equation: 



-y-4=-8-9(y-8)

We move all terms to the left:

-y-4-(-8-9(y-8))=0

We add all the numbers together, and all the variables

-1y-(-8-9(y-8))-4=0



We calculate terms in parentheses: -(-8-9(y-8)), so:

-8-9(y-8)

determiningTheFunctionDomain
-9(y-8)-8

We multiply parentheses

-9y+72-8

We add all the numbers together, and all the variables

-9y+64

Back to the equation:

-(-9y+64)



We get rid of parentheses

-1y+9y-64-4=0

We add all the numbers together, and all the variables

8y-68=0

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

8y=68

y=68/8

y=8+1/2

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