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

Toán Lớp 6: Tìm x : `2/3 – 1/2 ( x – 2 ) = 1/3 – x`

Toán Lớp 6: Tìm x :
2/3 – 1/2 ( x – 2 ) = 1/3 – x

Comments ( 2 )

  1. 2/3−1/2(x−2)=1/3−x
    ⇒2/3−1/3+2/2=−x+1/2x
    ⇒4/3=−1/2x
    ⇒x=−8/3
     

  2. Giải đáp:
     x=\frac{-8}{3}
    Lời giải và giải thích chi tiết:
     \frac{2}{3}-\frac{1}{2}(x-2)=\frac{1}{3}-x
    ->\frac{2}{3}-\frac{1}{3}+\frac{2}{2}=-x+\frac{1}{2}x
    ->\frac{4}{3}=\frac{-1}{2}x
    ->x=\frac{-8}{3}

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

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