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

/* code_begins */

{{{
A=matrix([[3,7,8],[2,0,9],[-4,1,-26]])
b=matrix([[-13],[-5],[2]])
x=A.solve_right(b)
x
}}}

/* code_ends */

 * '''Solution by''': 
   * <Sarvani>, <Student>, <SNIST>