we have 13x+6y=−30------------- > 6y=-30-13x--------------- > y=(-30-13x)/6 x−2y=−4-- > 2y=x+4-------- > y=(x+4)/2 Using a graphing tool---------- > see attached figure the solution of the system is the point (-2.625,0688)
the best estimate pair for the solution to the system is (−2.5, 0.75)
