Question

if three is subtracted from 1 by 3 of a number the result is 2 find the number

Answer 1

Hey

Here is your answer

Let the unknown number be x.

1/3x - 3 = 2
1/3x = 2+3
1/3x = 5
X = 5x3
X = 15

Hope it helps you

Answer 2

let the number be y  
thus y x 1/3 - 3  = 2
y x 1/3   =  2+3 = 5
y            = 5 x 3 /1
y            =15