-7z-6=-20

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Solution for -7z-6=-20 equation: 



-7z-6=-20

We move all terms to the left:

-7z-6-(-20)=0

We add all the numbers together, and all the variables

-7z+14=0

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

-7z=-14

z=-14/-7

z=+2

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