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

/* code_begins */

{{{
x, y = var('x, y') 
solve([-25.38*x-15.48*y==30.60, -7.05*x-4.30*y==-8.50], x, y) 
}}}
/* code_ends */

 * '''Solution by''': 
   * Swati Ahuja, Student, IIT Roorkee