Question

38*x+24*x+x=4221

Answer 1

38*x+24*x+x   =4221

38*x+24*x+1*x=4221

(38+24+1)*x    =4221

63*x                =4221

x                     =4221:63

x                     =67

Answer 2

x=4221(38+24+1)

x=67

k cho mk nha bạn