z=3z/7+4

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Solution for z=3z/7+4 equation: 



z=3z/7+4

We move all terms to the left:

z-(3z/7+4)=0

We get rid of parentheses

z-3z/7-4=0

We multiply all the terms by the denominator


z*7-3z-4*7=0

We add all the numbers together, and all the variables

-3z+z*7-28=0

Wy multiply elements

-3z+7z-28=0

We add all the numbers together, and all the variables

4z-28=0

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

4z=28

z=28/4

z=7

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