-3(z+-3)=12

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Solution for -3(z+-3)=12 equation: 



-3(z+-3)=12

We move all terms to the left:

-3(z+-3)-(12)=0

We add all the numbers together, and all the variables

-3(z-3)-12=0

We multiply parentheses

-3z+9-12=0

We add all the numbers together, and all the variables

-3z-3=0

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

-3z=3

z=3/-3

z=-1

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