The given equation relates the positive numbers \(x\), \(y\), and \(z…

The given equation relates the positive numbers

x

y

, and

z

. Which equation correctly expresses

z

in terms of

x

and

y

z = \frac{x y}{4}

z = \frac{x + 7}{4 y}

z = \frac{4 y}{x + 7}

z = \frac{( x + 7 ) y}{4}

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