3x+12>4x-1 7-2x<= 10-3x<br> Решите систему неравенств
3x-4x>-1-12 x<13<br>-2x+3x≤10-7 x≤3 \\\\\\\\\\\\\\\\\\\\\\\\\ ----------- . ----------₀-----------> x \\\\\\\\\\\\ 3 13 x∈(-∞; 3]