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

Toán Lớp 6: 23-2(x+1)=5====.

Toán Lớp 6: 23-2(x+1)=5………………………………………….

Comments ( 2 )

  1. $\text{23-2.(x+1)=5}$
    $\text{⇒2×(x+1)=23-5}$
    $\text{⇒2×(x+1)=18}$
    $\text{⇒x+1=18÷2}$
    $\text{⇒x+1=9}$
    $\text{⇒x=9-1}$
    $\text{⇒x=8}$
    $\text{Vậy x=8}$
    chúc bạn học tốt

  2. 23-2(x+1)=5
    2x+2=23-5
    2x+2=18
    2x=18-2
    2x=16
    x=16:2
    x=8
    Vậy x=8

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

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