5z/7=15

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Solution for 5z/7=15 equation: 



5z/7=15

We move all terms to the left:

5z/7-(15)=0

We multiply all the terms by the denominator


5z-15*7=0

We add all the numbers together, and all the variables

5z-105=0

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

5z=105

z=105/5

z=21

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