20+8z=18z

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Solution for 20+8z=18z equation: 



20+8z=18z

We move all terms to the left:

20+8z-(18z)=0

We add all the numbers together, and all the variables

-10z+20=0

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

-10z=-20

z=-20/-10

z=+2

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