-2z-4=2z-8

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Solution for -2z-4=2z-8 equation: 



-2z-4=2z-8

We move all terms to the left:

-2z-4-(2z-8)=0

We get rid of parentheses

-2z-2z+8-4=0

We add all the numbers together, and all the variables

-4z+4=0

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

-4z=-4

z=-4/-4

z=1

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