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

Toán Lớp 7: Giúp mình với ạ 3/4÷x-1/3=-5/6

Toán Lớp 7: Giúp mình với ạ
3/4÷x-1/3=-5/6

Comments ( 2 )

  1. 3/4 : x – 1/3 = – 5/6
    <=> 3/4 : x = – 5/6 + 1/3
    <=> 3/4 : x = – 1/2
    <=> x = 3/4 : ( – 1/2 )
    <=> x = – 3/2
     $Vậy$ x = – 3/2
     

  2. 3/4 : x – 1/3 = – 5/6
    3/4 : x = – 5/6 + 1/3
    x = 3/4 : ( – 1/2 )
    x = – 3/2
    Vậy x = – 3/2

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