-2=-2z+20

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Solution for -2=-2z+20 equation: 



-2=-2z+20

We move all terms to the left:

-2-(-2z+20)=0

We get rid of parentheses

2z-20-2=0

We add all the numbers together, and all the variables

2z-22=0

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

2z=22

z=22/2

z=11

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