Question

Five years ago ,Nuri was theice as old as Sonu.' Express this information in linear equation

Answer 1

let the present age of nuri be x and Sonu be y

ATQ

five years ago nuri age was x-5 and Sonu age was y-5

(x-5)=3(y-5)

x-5=3y-15

x-5-3y+15=0

x-3y+10=0