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Niveau 3eme maths ex 29 page 94
Resoudre chaque equation :
-3 + x = 7
5x = 19
3x + 7x = 50
x + 8 = 11
-2x = 9
-4x + 9x =45
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MAUDMARINE

Bonsoir

Résoudre chaque équation :

-3 + x = 7

x = 7 + 3

x = 10

5x = 19

x = 19/5

3x + 7x = 50

10x = 50

x = 50/10

x = 5

x + 8 = 11

x = 11 - 8

x = 3

-2x = 9

x = - 9/2

-4x + 9x =45

5x = 45

x = 45/5

x = 9.

AUDEPIN
J’espère que ça vous aidera bon courage
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