1) 4x + 5 = 1734x = 173 - 54x = 168x = 168 / 4x = 42
Ответ: x = 42
2) 5x + 2.2x = 4.567.2x = 4.56x = 4.56 / 7.2x ≈ 0.6333
Ответ: x ≈ 0.6333
1) 4x + 5 = 173
4x = 173 - 5
4x = 168
x = 168 / 4
x = 42
Ответ: x = 42
2) 5x + 2.2x = 4.56
7.2x = 4.56
x = 4.56 / 7.2
x ≈ 0.6333
Ответ: x ≈ 0.6333