Question

Help me гайсы
$left { {{ frac{3-2x}{15} leq frac{x-2}{3} + frac{x}{5} } atop { frac{1-3x}{12} geq frac{5x-1}{3} - frac{7x}{4} }} right.$

Answer 1

{3-2x≤5x-10+3x⇒8x+2x≥3+10⇒10x≥13⇒x≥1,3
{1-3x≥20x-4-21x⇒-x+3x≤1+4⇒2x≤5⇒x≤2,5
x∈[1,3;2,5]