Question

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solve.

\\\frac{4}{3+z} = \frac{2}{3}\\

Explanation:

Set up the proportion equation

$$ \frac{4}{3+z} = \frac{2}{3} $$

Apply the cross product property

$$ 4 \cdot 3 = 2 \cdot (3 + z) $$

$$ 12 = 6 + 2z $$

Solve for z

$$ 12 - 6 = 2z $$

$$ 6 = 2z $$

$$ z = 3 $$

Answer:

Solve.

$$\frac{4}{3+z} = \frac{2}{3}$$

\(z =\) <blank>\(3\)</blank>