2z-20=15

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Solution for 2z-20=15 equation: 



2z-20=15

We move all terms to the left:

2z-20-(15)=0

We add all the numbers together, and all the variables

2z-35=0

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

2z=35

z=35/2

z=17+1/2

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