8z-4z-4=20

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Solution for 8z-4z-4=20 equation: 



8z-4z-4=20

We move all terms to the left:

8z-4z-4-(20)=0

We add all the numbers together, and all the variables

4z-24=0

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

4z=24

z=24/4

z=6

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