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

Toán Lớp 7: Tìm x, biết : `(24+3)/24=(3x-1)/32` nhanh nha

Toán Lớp 7: Tìm x, biết :
(24+3)/24=(3x-1)/32
nhanh nha

Comments ( 2 )

  1. (24 + 3)/24 = (3x – 1)/32
    27/24 = (3x – 1)/32
    9/8 = (3x – 1)/32
    9.32 = 8 . (3x – 1)
    288 = 8 . (3x – 1)
    3x – 1 = 288 : 8
    3x – 1 = 36
    3x = 36 + 1
    3x = 37
    x = 37 : 3
    x = 37/3

  2. $\textit{Giải đáp + Lời giải và giải thích chi tiết:}$
    $\text{$\dfrac{24 + 3}{24}$ = $\dfrac{3x – 1}{32}$}$
    $\text{$\dfrac{27}{24}$ = $\dfrac{3x – 1}{32}$}$
    $\text{24($3x^{}$ – 1) = 32 . 27 = 864}$
    $\text{$3x^{}$ – 1 = 864 : 24 = 36}$
    $\text{$3x^{}$ = 36 + 1 = 37}$
    $\text{$x^{}$ = 37 : 3 = $\dfrac{37}{3}$}$
    $\text{Vậy x = $\dfrac{37}{3}$}$

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

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