5X+X除以7=120怎么解答
问题描述:
5X+X除以7=120怎么解答
答
5X+X/7=120
(5+1/7)x=120
36x/7=120
x=70/3
5X+X除以7=120怎么解答
5X+X/7=120
(5+1/7)x=120
36x/7=120
x=70/3