当x取何值时,代数式5x-12不大于2(4x-3)
问题描述:
当x取何值时,代数式5x-12不大于2(4x-3)
如题,本人很懒,
答
5x-12≤2(4x-3)
5x-12≤8x-6
3x≥-6
x≥-2