(92х + 69) : 23 = 63 7х - х = 7
92х + 69 = 63 · 23 6х = 7
92х + 69 = 1449 х = 7 : 6
92х = 1449 - 69 х = 7/6
92х = 1380 х = 1 целая 1/6
х = 1380 : 92
х = 15
