Dans chaque cas,tester si légalité est vraie pour x = 5.
A) x - (-6)=3
B) -2=3-x
C) 5+x=10
D) x+4=-6-x

By: USER4327
28 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
Dans chaque cas,tester si légalité est vraie pour x = 5.
A) x - (-6)=3
B) -2=3-x
C) 5+x=10
D) x+4=-6-x
Asked by:
127 Viewed 127 Answers

Answer (127)

Best Answer
(578)
Dans chaque cas,tester si légalité est vraie pour x = 5.
A) x - (-6)=3
5 - (- 6 ) = 3
5 + 6 = 3
11 ≠ 3 - L'égalité est fausse

B) -2=3-x
- 2 = - 3 - 5
- 2 ≠ - 8 - L'égalité est fausse

C) 5+x=10
5 + 5 = 10
10 = 10 - L'égalité est vraie

D) x+4=-6-x
5 + 4 = - 6 - 5
9 ≠ - 11 - L'égalité est fausse
Answered on 28 Agustus 2025

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