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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: Giúp mình câu hỏi cho ai nhanh nhất mik sẽ trả sao (5x-4²)÷3=3 Giúp mk ik

Toán Lớp 6: Giúp mình câu hỏi cho ai nhanh nhất mik sẽ trả sao
(5x-4²)÷3=3
Giúp mk ik

Comments ( 2 )

  1. ( 5x – 4^2 ) : 3 =3
    5x – 4^2 = 3.3
    5x – 16 = 9
    5x = 9 +16
    5x = 25
    => x = 5
     

  2. (5x – 4^2) : 3 = 3
    => 5x – 4^2 = 3.3
    => 5x – 4^2 = 9
    => 5x – 16 = 9
    => 5x = 9 + 16
    => 5x = 25
    => x = 25 : 5
    => x = 5
    Vậy x = 5
     

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222-9+11+12:2*14+14 = ? ( )