||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{
x, y = var ('x,y')
c=solve([4*x-y==1, -2*x+5*y==1], x, y)
print c

}}}

/* code_ends */

 * '''Solution by''': 
   * <Shahid Farooqui>, <Systems Administrator>, <IIT Bombay>