(2z-2)/7=4

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Solution for (2z-2)/7=4 equation: 



(2z-2)/7=4

We move all terms to the left:

(2z-2)/7-(4)=0

We multiply all the terms by the denominator


(2z-2)-4*7=0

We add all the numbers together, and all the variables

(2z-2)-28=0

We get rid of parentheses

2z-2-28=0

We add all the numbers together, and all the variables

2z-30=0

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

2z=30

z=30/2

z=15

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