How do you solve x/2 + x/4 = 5?

Jun 17, 2015

color(red)(x = 20/3

Explanation:

$\frac{x}{2} + \frac{x}{4} = 5$

Taking the L.C.M on the L.H.S
$\frac{2 x}{4} + \frac{x}{4} = 5$
$\frac{2 x + x}{4} = 5$
$\frac{3 x}{4} = 5$
$\left(3 x\right) = 20$
color(red)(x = 20/3