Question

5 added to one third of a number gives twice the number. find the number​

Answer 1

$5 + \frac{1}{3} x = 2x \\ 5 = 2x - \frac{1}{3} x \\ 5 = \frac{6x - x}{3} \\ 5 = \frac{5x}{3} \\ 15 = 5x \\ x = 3$

Answer 2

1/3x+5=2x

x+15/3=2x

x+15=6x

5x=15

x=3