Question

The difference between two number is 26 and one number is 3 times the other find them

Answer 1

Let the 2 digits be x and y
y-x=26-------(1)
3x=y---------(2)
3x-y=0
-y+3x=0
Solving the 2 equations,we get
x=13
and by putting the value of x,we get
y=39