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Ironpool
@Ironpool
May 2019
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Bonjour à tout, je rencontre quelque difficulté pour résoudre une équation. Pouvez-vous m'aidez ? Voici l'équation:
x fois 43 + 17 fois (x - 0,50) + 40 fois (x - 2) = 711.50
Voilà merci pour ce qui accepteront de m'aider ^^
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Verified answer
43x + 17(x-0,5) + 40(x-2) = 711,50
⇒ 43x + 17x - 8,5 + 40x - 80 = 711,50
⇒ 43x + 17x + 40x = 711,5 + 8,5 + 80
⇒ 100x = 800
⇒ x = 800 / 100 = 8
2 votes
Thanks 1
Ironpool
merci ^^
Commentaires
Verified answer
43 x + 17 ( x - 0.5) + 40 ( x - 2) = 711.50
43 x + 17 x - 8.5 + 40 x - 80 = 711.50
100 x = 711.50 + 80 + 8.5
100 x = 800
x = 8
0 votes
Thanks 0
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Verified answer
43x + 17(x-0,5) + 40(x-2) = 711,50⇒ 43x + 17x - 8,5 + 40x - 80 = 711,50
⇒ 43x + 17x + 40x = 711,5 + 8,5 + 80
⇒ 100x = 800
⇒ x = 800 / 100 = 8
Verified answer
43 x + 17 ( x - 0.5) + 40 ( x - 2) = 711.5043 x + 17 x - 8.5 + 40 x - 80 = 711.50
100 x = 711.50 + 80 + 8.5
100 x = 800
x = 8