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

Toán Lớp 7: $\dfrac{-2}{3}$ `. x + 1 =` `-` $\dfrac{7}{9}$

Home/ Toán Lớp 7: $\dfrac{-2}{3}$ `. x + 1 =` `-` $\dfrac{7}{9}$

Toán Lớp 7: $\dfrac{-2}{3}$ `. x + 1 =` `-` $\dfrac{7}{9}$

Tháng Chín 3, 2022 Toán học 2 Comments 0 views

Toán Lớp 7: $\dfrac{-2}{3}$ . x + 1 = – $\dfrac{7}{9}$

Comments ( 2 )

  1. bichhhathu
    bichhhathu
    3 Tháng Chín, 2022 at 6:56 sáng
    Reply
    $-$$\dfrac{2}{3}$$.x+1=-$$\dfrac{7}{9}$
    $-$$\dfrac{2}{3}$$.x$         $=-$$\dfrac{7}{9}$$-1$
    $-$$\dfrac{2}{3}$$.x$         $=-$$\dfrac{16}{9}$
              $x$         $=-$$\dfrac{16}{9}$$:(-$$\dfrac{2}{3}$$)$
              $x$         $=$$\dfrac{8}{3}$
    @Nobitao@

  2. chauhoangmy98
    chauhoangmy98
    3 Tháng Chín, 2022 at 6:56 sáng
    Reply
    $\dfrac{-2}{3}$ . x + 1 = – $\dfrac{7}{9}$
    $\dfrac{-2}{3}$ . x        = – $\dfrac{7}{9}$ – 1
    $\dfrac{-2}{3}$ . x        = $\dfrac{-16}{9}$
                              x        = $\dfrac{-16}{9}$ : $\dfrac{-2}{3}$
                              x         =          $\dfrac{8}{3}$
    Vậy x = $\dfrac{8}{3}$

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

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