-3(z-4)=-9

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Solution for -3(z-4)=-9 equation: 



-3(z-4)=-9

We move all terms to the left:

-3(z-4)-(-9)=0

We add all the numbers together, and all the variables

-3(z-4)+9=0

We multiply parentheses

-3z+12+9=0

We add all the numbers together, and all the variables

-3z+21=0

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

-3z=-21

z=-21/-3

z=+7

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