-9=-3(z+9)

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



-9=-3(z+9)

We move all terms to the left:

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



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

-3(z+9)

We multiply parentheses

-3z-27

Back to the equation:

-(-3z-27)



We get rid of parentheses

3z+27-9=0

We add all the numbers together, and all the variables

3z+18=0

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

3z=-18

z=-18/3

z=-6

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