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avatarIguaneAgile7317
Secondary II • 1yr.


Une autre équation à comprendre:

2x+1/5 +3x+2/3 = 7/10


Merci beauuuucoup

Mathématiques
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      avatarFerUpsilon5520
      1yr.


      Regroupe les termes semblables:

      (2x + 3x) = 7/10 - (1/5 + 2/3)

      5x = 7/10 - 1/5 - 2/3 on multiplie les deux côtés par 30 pour se débarrasser des fractions

      150x = 7·3 - 1·6 - 2·10

      150x = 21 - 6 - 20

      150x = -5

      x = -5/150 = -1/30

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