-3z-4z=25

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Solution for -3z-4z=25 equation: 



-3z-4z=25

We move all terms to the left:

-3z-4z-(25)=0

We add all the numbers together, and all the variables

-7z-25=0

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

-7z=25

z=25/-7

z=-3+4/7

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