reset; option solver cplex; # solver choice var x1 >= 0, integer; # variable 1 var x2 >= 0, integer; # variable 2 maximize LP: 2*x1 + 3*x2; # objective subject to NB1: 0.5*x1 + x2 <=4; # constraint 1 subject to NB2: x1 <=3; # constraint 2 solve; # solution display x1,x2; # output