2/3(x-5)+1 целая 1/3(x+1)=9

Question

2/3(x-5)+1 целая 1/3(x+1)=9

Answer 1

2/3(х-5) + 1 1/3(х+1) = 9,
2/3х - 10/3 + 1 1/3х + 1 1/3 = 9,
2х = 9 + 3 1/3 - 1 1/3,
2х = 11,
х = 5,5

Comments

большое спасибо

---

:))