Question
Bonsoir, pouvez m'aider a résoudre cet exercice ?
Merci d'avance:
Résoudre chaque équations:
-3 + x = 7
5 x = 19
3 x + 7 x =50
x + 8 = 11
-2 x = 9
-4 x + 9 x = 45
Merci d'avance:
Résoudre chaque équations:
-3 + x = 7
5 x = 19
3 x + 7 x =50
x + 8 = 11
-2 x = 9
-4 x + 9 x = 45
Asked by: USER9517
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216 Answers
Answer (216)
Bonsoir,
Résoudre chaque équations :
-3 + x = 7
x = 7 + 3
x = 10
5 x = 19
x = 19/5
3 x + 7 x =50
10x = 50
x = 50/10
x = 5
x + 8 = 11
x = 11 - 8
x = 3
-2 x = 9
x = - 9/2
-4 x + 9 x = 45
5x = 45
x = 45/5
x = 9.