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

/* code_begins */

{{{
x, y, z = var('x, y, z') 
solve([0.4*x+1.6*y-0.8*z==3.8, 3.2*x-0.2*y+1.2*z==14.44, 1.4*x-0*y-4.2*z==16.24], x, y, z) 
}}}

/* code_ends */

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