So if the i-th slack variable from the primal is not zero, then the i-th variable of the dual is equivalent to zero. Also, If your j-th slack variable of the dual is just not zero, then the j-th variable in the primal is equal to zero. At times a https://linear-programming-projec71467.blogminds.com/top-find-someone-to-do-linear-programming-homework-secrets-23458848