-3(z+7)+-4=-4

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Solution for -3(z+7)+-4=-4 equation: 



-3(z+7)+-4=-4

We move all terms to the left:

-3(z+7)+-4-(-4)=0

We add all the numbers together, and all the variables

-3(z+7)=0

We multiply parentheses

-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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