-9z-4+2z=30

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Solution for -9z-4+2z=30 equation: 



-9z-4+2z=30

We move all terms to the left:

-9z-4+2z-(30)=0

We add all the numbers together, and all the variables

-7z-34=0

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

-7z=34

z=34/-7

z=-4+6/7

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