Question

I think of a number and divide it by 4. The result is 3 less than the number I first thought
of. Find the number I first thought of.

Answer 1

let number be x

so, x/4 = x-3

x = 4(x-3)

x= 4x-12

x-4x = -12

-3x = -12

x= 12/3

x = 4