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Sagot :

HAJARCHBIHI26

Réponse:

je vais résoudre les autres tout de suite

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View image HAJARCHBIHI26
View image HAJARCHBIHI26
NBA10

Réponse :

bonjour,

2x + 5 = 11

2x = 11 - 5

2x = 6

x = 6/2

x = 3

4x - 6 = 24

4x = 24 + 6

4x = 30

x = 30/4

x = 15/2

x = 7.5

2 + x/3 = 0

x/3 = -2

x/3 × 3 = -3 × 3

x = -9

x² - 4 = 12

x² = 12 + 4

x² = 16

x = √16

x = 4

3x - 5 = x + 10

3x - x = 10 + 5

2x = 15

x = 7.5

voila:)

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