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

Toán Lớp 8: x*4=x+6 giúp em vs các anh chị

Toán Lớp 8: x*4=x+6 giúp em vs các anh chị

Comments ( 2 )

  1. $x . 4 = x + 6$
    $↔ 4x – x = 6$
    $↔ 3x = 6$
    $↔ x = 6 : 3$
    $↔ x = 2$
    $@ FanMaple$

  2. x.4=x+6
    =>4x=x+6
    =>4x-x=6
    =>3x=6
    =>x=6:3
    =>x=2
    Vậy x=2.

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