(z-1)*7=49

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Solution for (z-1)*7=49 equation: 



(z-1)*7=49

We move all terms to the left:

(z-1)*7-(49)=0

We multiply parentheses

7z-7-49=0

We add all the numbers together, and all the variables

7z-56=0

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

7z=56

z=56/7

z=8

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