-18=15z-9-9(2z-2)

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Solution for -18=15z-9-9(2z-2) equation: 



-18=15z-9-9(2z-2)

We move all terms to the left:

-18-(15z-9-9(2z-2))=0



We calculate terms in parentheses: -(15z-9-9(2z-2)), so:

15z-9-9(2z-2)

determiningTheFunctionDomain
15z-9(2z-2)-9

We multiply parentheses

15z-18z+18-9

We add all the numbers together, and all the variables

-3z+9

Back to the equation:

-(-3z+9)



We get rid of parentheses

3z-9-18=0

We add all the numbers together, and all the variables

3z-27=0

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

3z=27

z=27/3

z=9

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