7(z-85)=21

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Solution for 7(z-85)=21 equation: 



7(z-85)=21

We move all terms to the left:

7(z-85)-(21)=0

We multiply parentheses

7z-595-21=0

We add all the numbers together, and all the variables

7z-616=0

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

7z=616

z=616/7

z=88

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