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

Toán Lớp 7: 1/3 ( 1/2 -6) + 5x =x bài này lm thế nào giúp vs

Toán Lớp 7: 1/3 ( 1/2 -6) + 5x =x
bài này lm thế nào giúp vs

Comments ( 2 )

  1. ~ Bạn tham khảo ~
    1/3(1/2-6)+5x=x
    => -11/6+5x=x
    => 5x-x=0+11/6
    => 4x=11/6
    => x=11/6:4
    => x=11/24
    Vậy x=11/24

  2. Giải đáp:
    $\\$
    1/3 (1/2-6) + 5x=x
    -> 1/3 (1/2 – 12/2) + 5x – x=0
    -> 1/3 × (-11)/2 + (5x-x)=0
    -> (-11)/6 + (5-1)x=0
    -> (-11)/6 + 4x=0
    ->4x=0-(-11)/6
    -> 4x=11/6
    ->x=11/6÷4
    ->x=11/24
    Vậy x=11/24
     

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

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