3(z-9)=30

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Solution for 3(z-9)=30 equation: 



3(z-9)=30

We move all terms to the left:

3(z-9)-(30)=0

We multiply parentheses

3z-27-30=0

We add all the numbers together, and all the variables

3z-57=0

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

3z=57

z=57/3

z=19

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