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

Toán Lớp 6: 70-5.(x-3)=45 Nhờ m.n giúp em ạ

Toán Lớp 6: 70-5.(x-3)=45
Nhờ m.n giúp em ạ

Comments ( 2 )

  1. 70-5.(x-3)=45
    ⇒5.(x-3)=70-45
    ⇒5.(x-3)=25
    ⇒x-3=25:5
    ⇒x-3=5
    ⇒x=5+3
    ⇒x=8
    Vậy x=8
     

  2. text{70 – 5.(x – 3) = 45}
    -> text{5.(x – 3) = 70 – 45}
    -> text{5.(x – 3) = 25}
    -> text{x – 3 = 25 : 5}
    -> text{x – 3 = 5}
    -> text{x = 5 + 3}
    -> text{x = 8}
    => text{Vậy x = 8}
    text{Chúc bạn học tốt}
    text{@Kim}
     

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

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