Question

x-3（x-2）小于等于4 2x-1/5>x+1/2

Answer 1

（1）由x-3（x-2)≤4，

x-3x+6≤4

-2x≤-2

∴x≥1.

（2）由2x-1/5＞x+1/2

2x-x＞1/2+1/5

x＞7/10