解5(3-x)≥2(x-3)15-5x≥2x-6-7x≥-21x≤3因为非负整数所以x可以取1,2,3
5(3-x)≥2(x-3)15-5X ≥ 2x-6-5x-2x ≥ -6-15-7x ≥ -21x ≤3因为X 取非负整数所以X为0.1.2.3.
x=0x=1x=2
1,0