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

Toán Lớp 6: c) (x–6). 2 = 9 mong mọi người giúp mình

Toán Lớp 6: c) (x–6). 2 = 9 mong mọi người giúp mình

Comments ( 2 )

  1. Giải đáp:
        (x–6). 2 = 9
    => 2x-12=9
    =>2x = 9+12
    =>2x= 21
    => x=21/2 
    XIN HAY NHẤT
     

  2. Answer
    (x – 6) . 2 = 9
    $\Rightarrow$x – 6 = 9 : 2
    $\Rightarrow$x – 6 = 9/2
    $\Rightarrow$x = 9/2 + 6
    $\Rightarrow$ x = 21/2
    $\text{Vậy}$ x = 21/2
     

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