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

Toán Lớp 6: 5(x+2)-12=48 Giúp mình vs, thanks

Toán Lớp 6: 5(x+2)-12=48
Giúp mình vs, thanks

Comments ( 2 )

  1. 5(x+2)-12=48
    5(x+2)      =48+12
    5(x+2)      =60
    x+2          =60:5
    x+2          =12
    x=12-2
    x=10
     Vậy x=10
     

  2. 5(x+2)-12=48
    =>5(x+2)=48+12
    =>5(x+2)=60
    =>x+2=60 : 5
    =>x+2=12
    =>x=12 -2
    =>x=10

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

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