1) 5x + 2.5 = 245x = 24 - 2.55x = 21.5x = 21.5 / 5x = 4.3
Ответ: x = 4.3
2) 14.2 : 4 = 3.4
Ответ: 14.2 : 4 = 3.4
1) 5x + 2.5 = 24
5x = 24 - 2.5
5x = 21.5
x = 21.5 / 5
x = 4.3
Ответ: x = 4.3
2) 14.2 : 4 = 3.4
Ответ: 14.2 : 4 = 3.4