Как решить 1целая 7/8X -5=10
1 7/8X - 5 = 10 1 7/8X = 10 + 5 1 7/8X = 15 ( 15/8 )X = 15 X = 15 : ( 15/8 ) X = 8
1 7/8 * х - 5 = 10, 1 7/8 * х = 10 + 5, 1 7/8 * х = 15, х = 15 : 1 7/8, х = 15 : 15/8, х = 15 * 8/15, х = 8, Проверка : 1 7/8 * 8 - 5 = 10, 15/8 * 8 - 5 = 10, 15 - 5 = 10, 10 = 10