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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