z-20=3z+10

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Solution for z-20=3z+10 equation: 



z-20=3z+10

We move all terms to the left:

z-20-(3z+10)=0

We get rid of parentheses

z-3z-10-20=0

We add all the numbers together, and all the variables

-2z-30=0

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

-2z=30

z=30/-2

z=-15

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