
K
Khách
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
NM
9

Các câu hỏi dưới đây có thể giống với câu hỏi trên
CN
21

SJ
21

SJ
14

NM
20

VA
10

AQ
14

CN
15

WD
21

CN
17

10 + 2x =20
= 10 + 2.1=20
10+2x=20
2x=20-10=10
x=10:2=5
Vậy x=5