A linear programming challenge is infeasible if it doesn’t have a solution. This commonly happens when no Resolution can satisfy all constraints without delay. Divide by X1. Another point to notice: Examine X1 (by the way) – there’s a very good reason why you’ve combined two elements with each other. https://findsomeonetotakelinearpr50113.shotblogs.com/everything-about-find-someone-to-take-linear-programming-homework-42234840