若{6-x>2x-3 4x-1≥2-5x,则化简|x+1|-|2x-6|+|3x-9|=( )
问题描述:
若{6-x>2x-3 4x-1≥2-5x,则化简|x+1|-|2x-6|+|3x-9|=( )
答
6-x>2x-3得x
若{6-x>2x-3 4x-1≥2-5x,则化简|x+1|-|2x-6|+|3x-9|=( )
6-x>2x-3得x