2z-20=12z+7

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Solution for 2z-20=12z+7 equation: 



2z-20=12z+7

We move all terms to the left:

2z-20-(12z+7)=0

We get rid of parentheses

2z-12z-7-20=0

We add all the numbers together, and all the variables

-10z-27=0

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

-10z=27

z=27/-10

z=-2+7/10

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