Question

12 added to thrice of a number gives 48 . find the number

Answer 1

let number be x
thrice of a number=3x
so,
3x+12=48
3x=48-12
3x=36
x=36/3
x=12

Answer 2

Let the number be 3X.
A/Q 3X + 12 = 48
or 3X = 48-12
or 3X = 36
therefore, X = 36/3 = 12