4z-84=z

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Solution for 4z-84=z equation: 



4z-84=z

We move all terms to the left:

4z-84-(z)=0

We add all the numbers together, and all the variables

3z-84=0

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

3z=84

z=84/3

z=28

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