(4z-40)=84

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Solution for (4z-40)=84 equation: 



(4z-40)=84

We move all terms to the left:

(4z-40)-(84)=0

We get rid of parentheses

4z-40-84=0

We add all the numbers together, and all the variables

4z-124=0

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

4z=124

z=124/4

z=31

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