3⼀4x-20%x=5⼀8,x等于多少?

2025-06-28 21:30:34
推荐回答(1个)
回答1:

3/4x-20%x=5/8
3/4x-1/5x=5/8

15/20x-4/20x=5/8
11/20x=5/8
x=5/8x20/11=25/22