# How do you solve 7/8 = z/4?

$z = \frac{7}{2}$
$\frac{7}{8} = \frac{z}{4} \iff 4 \frac{7}{8} = \cancel{4} \frac{z}{\cancel{4}} \iff z = \frac{7}{2}$
I just multiplied both members of the equation by 4, so I could isolate the $z$