||'''Book'''|| Linear Algebra ||
 ||'''Author'''|| Gilbert Strang ||
 ||'''Edition'''||  ||

/* code_begins */

{{{
x, y, z = var('x, y, z')
solve([5*x-3*y+2*z==10,-3*x+8*y+4*z==20,2*x+4*y-9*y==9],x,y,z)
}}}

/* code_ends */

 * '''Solution by''': 
   * Indana Ravi Shankar, student, Pydah college of engg. vizag