20z-45=5z+135

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Solution for 20z-45=5z+135 equation: 



20z-45=5z+135

We move all terms to the left:

20z-45-(5z+135)=0

We get rid of parentheses

20z-5z-135-45=0

We add all the numbers together, and all the variables

15z-180=0

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

15z=180

z=180/15

z=12

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