-7z-7.5z=19.5

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Solution for -7z-7.5z=19.5 equation: 



-7z-7.5z=19.5

We move all terms to the left:

-7z-7.5z-(19.5)=0

We add all the numbers together, and all the variables

-14.5z-19.5=0

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

-14.5z=19.5

z=19.5/-14.5

z=-1+5/14.5

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