\frac{105}{2} \\ \\ 2)31 - 4 \frac{1}{7} x > 2 \\ \\ 31 - \frac{4}{7} x > 2 \\ \\ 217 - 4x > 14 \\ - 4x > 14 - 217 \\ - 4x > 203 \div - 4 \\ \\ x < \frac{203}{4} " alt="1) \frac{2}{3} x - 15 < 20 \\ \\ 2x - 45 < 60 \\ \\ 2x < 60 + 45 \\ 2x < 105 \div 2 \\ \\ x > \frac{105}{2} \\ \\ 2)31 - 4 \frac{1}{7} x > 2 \\ \\ 31 - \frac{4}{7} x > 2 \\ \\ 217 - 4x > 14 \\ - 4x > 14 - 217 \\ - 4x > 203 \div - 4 \\ \\ x < \frac{203}{4} " align="absmiddle" class="latex-formula">