Z2-9z=-20

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Solution for Z2-9z=-20 equation: 



2-9Z=-20

We move all terms to the left:

2-9Z-(-20)=0

We add all the numbers together, and all the variables

-9Z+22=0

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

-9Z=-22

Z=-22/-9

Z=2+4/9

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