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

/* code_begins */

{{{
A=matrix([[1,-1],[3,6]])
print A
B=vector([0,18])
x=A.solve_right(B)
print x
var ('x,y')
p=implicit_plot(x-y==0,(x,-2,2),(y,-2,2))
show(p)
}}}

/* code_ends */

 * '''Solution by''': 
   * tejaswi
   * jyothi