[To Parent Directory] 9/29/2023 12:22 PM 1803 1_Q.GIF 9/29/2023 12:22 PM 4443 3_Q.GIF 9/29/2023 12:22 PM 13308 elimination by equating the cofficient.xlsx 9/29/2023 12:22 PM 1791 elimination by equating the cofficient.xml