This can be stated in a positive form. Alternate translation: "he must give the first wife the same food, clothing, and marital rights she had before" (See: [[rc://en/ta/man/translate/figs-doublenegatives]])
This includes things that a husband must do for his wife, including sleeping with her. Alternate translation: "and he must continue to sleep with her as before" (See: [[rc://en/ta/man/translate/figs-euphemism]])