9=-9(2z-3)

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Solution for 9=-9(2z-3) equation: 



9=-9(2z-3)

We move all terms to the left:

9-(-9(2z-3))=0



We calculate terms in parentheses: -(-9(2z-3)), so:

-9(2z-3)

We multiply parentheses

-18z+27

Back to the equation:

-(-18z+27)



We get rid of parentheses

18z-27+9=0

We add all the numbers together, and all the variables

18z-18=0

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

18z=18

z=18/18

z=1

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