7(z-9)=42

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Solution for 7(z-9)=42 equation: 



7(z-9)=42

We move all terms to the left:

7(z-9)-(42)=0

We multiply parentheses

7z-63-42=0

We add all the numbers together, and all the variables

7z-105=0

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

7z=105

z=105/7

z=15

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