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jenny14116j
@jenny14116j
January 2021
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bonjour pouvez vous m aider pour mon dm de maths , car je n 'y arrive pas tres bien . merci . j espere que vous verrez , ce que j ai ecrit sur la feuille ne compte pas
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AhYan
Bonsoir,
-5x+4 = 2x+3
2x+5x = 4-3
7x = 1
x = 1/7
-½x+3 = 2-¼x
3-2 = -¼x+½x
1 = -¼x+2/4x
1 = ¼x
x = 4
2x+5 > -⅓x-2/5
2x+⅓x > -2/5-5
7/3x > -2/5 - 25/5
7/3x > -27/5
7x > -81/5
x > -81/35
-x+¼ ≤ 3x+1
¼-1 ≤3x+x
-¾ ≤ 4x
-3 ≤ x
2 votes
Thanks 0
jenny14116j
merci de m avoir aider
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bonjour pouvez vous m'aidez pour l'exercice 3 , a faire pour lundi en exercice ? MERCI
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bonjour , j 'ai vraiment besoin d'aide , pouvez vous m'aidez en maths pour l'exercice 4
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jenny14116j
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pouvez vous m'aidez en maths svp : ne vous fiez pas a ce que j ai ecrit
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Lista de comentários
-5x+4 = 2x+3
2x+5x = 4-3
7x = 1
x = 1/7
-½x+3 = 2-¼x
3-2 = -¼x+½x
1 = -¼x+2/4x
1 = ¼x
x = 4
2x+5 > -⅓x-2/5
2x+⅓x > -2/5-5
7/3x > -2/5 - 25/5
7/3x > -27/5
7x > -81/5
x > -81/35
-x+¼ ≤ 3x+1
¼-1 ≤3x+x
-¾ ≤ 4x
-3 ≤ x