(1.8-8x)⼀1.2--(1.3-3x)⼀2>(5x-0.4)⼀0.3

2024-12-28 07:21:48
推荐回答(1个)
回答1:

解:不等式两边同时乘6

5(1.8-8x)-3(1.3-3x)﹥20(5x-0.4)

9-40x-3.9+9x﹥100x-8

-40x+9x-100x﹥-8-9+3.9

-131x﹥-13.1

x﹤0.1