-20-9z=-20z+8z+16

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Solution for -20-9z=-20z+8z+16 equation: 



-20-9z=-20z+8z+16

We move all terms to the left:

-20-9z-(-20z+8z+16)=0

We add all the numbers together, and all the variables

-9z-(-12z+16)-20=0

We get rid of parentheses

-9z+12z-16-20=0

We add all the numbers together, and all the variables

3z-36=0

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

3z=36

z=36/3

z=12

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