\[6x + 2 > 9 - x\]
\[6x + x > 9 - 2\]
\[7x > 7\]
\[x > 1\]
\[x + 8.3 < 11\]
\[x < 11 - 8.3\]
\[x < 2.7\]
\[4x > 4\]
\[x > \frac{4}{4}\]
\[x > 1\]
\[2x < 4.8\]
\[x < \frac{4.8}{2}\]
\[x < 2.4\]
\[9x < 2.7\]
\[x < \frac{2.7}{9}\]
\[x < 0.3\]
\[0.8(x - 3) - 3.2 < 0.3(2 - x)\]
\[0.2(1 + 2x) > -(x - 1.6)\]
\[0.8x - 2.4 - 3.2 < 0.6 - 0.3x\]
\[0.2 + 0.4x > -x + 1.6\]
\[0.8x + 0.3x < 0.6 + 2.4 + 3.2\]
\[0.4x + x > 1.6 - 0.2\]
\[1.1x < 6.2\]
\[1.4x > 1.4\]
\[x < \frac{6.2}{1.1}\]
\[x > \frac{1.4}{1.4}\]
\[x < \frac{62}{11}\]
\[x > 1\]
\[x < 5.64\]
Ответ: Решениями системы являются значения x > 1 и x < 2.7