1.12-4(3x-1)≤2(2x-16) 2.x+3/5<2x-5/3-1 3.2x-1/3-3x-1/2≥5/12
问题描述:
1.12-4(3x-1)≤2(2x-16) 2.x+3/5<2x-5/3-1 3.2x-1/3-3x-1/2≥5/12
答
1.12-4(3x-1)≤2(2x-16)
12-12x+4≤4x-32
-16x≤-48
x≥3
2.(x+3)/5<(2x-5)/3-1
3(x+3)