5x-12≤2(4x-3)的解是多少,x-1⼀3≥2x+5⼀4的解是多少

2024-11-30 05:52:15
推荐回答(1个)
回答1:

5x-12≤2(4x-3)
5x-12≤8x-6
-12+6≤8x-5x
-6≤3x
x≥-2

x-1/3≥2x+5/4
3x-1≥6x+15/4
12x-4≥24x+15
-4-15≥24x-12x
12x≤-19
x≤-19/12