4z=9z+20

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Solution for 4z=9z+20 equation: 



4z=9z+20

We move all terms to the left:

4z-(9z+20)=0

We get rid of parentheses

4z-9z-20=0

We add all the numbers together, and all the variables

-5z-20=0

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

-5z=20

z=20/-5

z=-4

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