|3x-1|=3x-1,|2x-4|=4-2x,则x的取值范围?
问题描述:
|3x-1|=3x-1,|2x-4|=4-2x,则x的取值范围?
答
∵|3x-1|=3x-1∴3x-1>=0x>=1/3
∵,|2x-4|=4-2x∴2x-4