6z-21=z+19

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Solution for 6z-21=z+19 equation: 



6z-21=z+19

We move all terms to the left:

6z-21-(z+19)=0

We get rid of parentheses

6z-z-19-21=0

We add all the numbers together, and all the variables

5z-40=0

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

5z=40

z=40/5

z=8

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