-9z-16=20-16z+20

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Solution for -9z-16=20-16z+20 equation: 



-9z-16=20-16z+20

We move all terms to the left:

-9z-16-(20-16z+20)=0

We add all the numbers together, and all the variables

-9z-(-16z+40)-16=0

We get rid of parentheses

-9z+16z-40-16=0

We add all the numbers together, and all the variables

7z-56=0

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

7z=56

z=56/7

z=8

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