求这道题的详细解法?

求这道题的详细解法?第8道!
2025-03-05 07:19:24
推荐回答(2个)
回答1:


.

回答2:

|4m-9+1|/5=4
|4m-8|=20
4m-8=20
m1=7
4m-8=-20
m2=-3
2x+y<3
m=-3