//Chapter 7 Ex2 clc; clear; close; //let number be x //given 7x-15=2x+10 //thus polynomial is 5x-25=0 mycoeff=[-25 5]; p=poly(mycoeff,"x","coeff"); ans=roots(p); printf("The number is: %d",ans); //Alternative logic for same problem for x=1:99 if((5*x-25)==0) printf("\nAlternate logic: \nThe number is: %d",x); break; end end