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

Toán Lớp 6: x. 23+x. 76+x=2300 Giúp mik vs ạ

Toán Lớp 6: x. 23+x. 76+x=2300
Giúp mik vs ạ

Comments ( 2 )

  1. x.23+76.x+x=2300
    x.23+76.x+x.1=2300
    x.(23+76+1)=2300
    x.100=2300
    x=2300:100
    x=23
     

  2. x × 23+x × 76+x=2300
    x × 23+x × 76+x × 1=2300
    x × (23 + 76 + 1) = 2300
    x × 100 = 2300
    x = 2300 : 100
    x = 23
    Vậy x = 23

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

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