3.2 - 3(1.2 - 5x) > 0.6(10x + 1) --> 3.2 - 3.6 + 15x > 6x + 0.6 --> 9x > 1 -> x > 1/9
1.6 - 4.5(4x - 1) < 2x + 26.1 --> 1.6 - 18x + 4.5 < 2x + 26.1 --> 20x > -20 --> x > -1
x > 1/9
3.2 - 3(1.2 - 5x) > 0.6(10x + 1) --> 3.2 - 3.6 + 15x > 6x + 0.6 --> 9x > 1 -> x > 1/9
1.6 - 4.5(4x - 1) < 2x + 26.1 --> 1.6 - 18x + 4.5 < 2x + 26.1 --> 20x > -20 --> x > -1
x > 1/9
{ x > - 1
ответ: (1/9; +∞)
3,2-3(1,2-5x)>0,6(10x+1)
x > 1/9
Решим относительно х.
1,6-4,5(4x-1)<2x+26,1
x > -1