6(3.4+x) - 4.2 > x + 1
20.4 + 6x - 4.2 > x + 1
20.4 + 6x - 4.2 - x > 1
5x + 16.2 > 1
5x > -15.2
x > -3.04
Ответ: x > -3.04.
6(3.4+x) - 4.2 > x + 1
20.4 + 6x - 4.2 > x + 1
20.4 + 6x - 4.2 - x > 1
5x + 16.2 > 1
5x > -15.2
x > -3.04
Ответ: x > -3.04.