Question

2/3 of a number is 20 less then the original number gind the number

Answer 1

Let the no be x
$\frac{2}{3} x = x - 20$
$20 = x - \frac{2x}{3}$
$20 = \frac{3x - 2x}{3}$
$20 = \frac{x}{3} \\ 20 \times 3 = x$
$60 = x$

Original no is 60

Answer 2

original number
is 60