a) 4x + 26x - 7x + 2x = 25x - 7x + 2x = 20x + 2x = 22xПодставляем x = 14: 22 * 14 = 308
б) 19x + 24x - 16 + x = 43x - 16 + x = 44x - 16Подставляем x = 11: 44 * 11 - 16 = 484 - 16 = 468
в) 3a 2b = 3 5 2 10 = 30 * 10 = 300
a) 4x + 26x - 7x + 2x = 25x - 7x + 2x = 20x + 2x = 22x
Подставляем x = 14: 22 * 14 = 308
б) 19x + 24x - 16 + x = 43x - 16 + x = 44x - 16
Подставляем x = 11: 44 * 11 - 16 = 484 - 16 = 468
в) 3a 2b = 3 5 2 10 = 30 * 10 = 300