3z-20=40

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Solution for 3z-20=40 equation: 



3z-20=40

We move all terms to the left:

3z-20-(40)=0

We add all the numbers together, and all the variables

3z-60=0

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

3z=60

z=60/3

z=20

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