(z-1)+(z-2)=17

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Solution for (z-1)+(z-2)=17 equation: 



(z-1)+(z-2)=17

We move all terms to the left:

(z-1)+(z-2)-(17)=0

We get rid of parentheses

z+z-1-2-17=0

We add all the numbers together, and all the variables

2z-20=0

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

2z=20

z=20/2

z=10

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