20-18z+8z=-8z-20

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Solution for 20-18z+8z=-8z-20 equation: 



20-18z+8z=-8z-20

We move all terms to the left:

20-18z+8z-(-8z-20)=0

We add all the numbers together, and all the variables

-10z-(-8z-20)+20=0

We get rid of parentheses

-10z+8z+20+20=0

We add all the numbers together, and all the variables

-2z+40=0

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

-2z=-40

z=-40/-2

z=+20

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