9z-90=5z

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Solution for 9z-90=5z equation: 



9z-90=5z

We move all terms to the left:

9z-90-(5z)=0

We add all the numbers together, and all the variables

4z-90=0

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

4z=90

z=90/4

z=22+1/2

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