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UNKO
Answered

Bonjour, Exercice 2 : Résoudre les équations suivantes :
a) 5 x−22=0 b) 12 x+1=7
c) 7 x+13=−2 d) 4−3 x=10

Sagot :

SKABETIX

Bonsoir,

a) 5x - 22 = 0

5x = 22

x = 22/5

b) 12x + 1 = 7

12x = 7 - 1

12x = 6

x = 6/12 = 1/2

c) 7x + 13 = - 2

7x = - 2 - 13

7x = - 15

x = -15/7

d) 4 - 3x = 10

3x = 4 - 10

3x = - 6

x = -6/3 = - 2

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