2-x≥2(x+3) 2-x≥2x+62x+x≤2-63x≤-4x≤-4/33-[(x-1)÷4]≥2+[3(x+1)÷8]两边乘824-2x+2≥16+3x+35x≤26-16=10x≤2
X>=-4/3X<=3/5