835-11×Х=758 26×у-37=457
11хx или-11хy
835-11×Х=758 11×Х=835-758 11×Х=77 Х=77:11 Х=7 ___________________ 835-11×7==758 758=758 26×у-37=457 26×у=457+37 26×у=494 у=494:26 у=19 ________________ 26×19-37=457 457=457