33

Ten is no more than four times the sum of twice a number and three.

$x-searched\ number\\\\10 \leq 4(2x+3)\\10 \leq 8x+12\ \ \ \ \ \ \ |subtract\ 12\\10-12 \leq 8x\\-2 \leq 8x\ \ \ \ \ \ \ \ \ |:8\\x \geq -\frac{2}{8}\\x \geq -\frac{1}{4}\\\\x\in[\frac{1}{4},+\infty)$