Question

Difference between two no is26 and no is three times other find them by substitution method

Answer 1

Let no be x
Other no is 3x
3x - x = 26
2x = 26
x = 26/2
x= 13

Answer 2

x-y =26 ______1 x=3y________2 substitute the value of x in 11 we get 3y-y=26 2y=26 y= 13 x -13= 26 x=26+13=39 x= 39 y=13