Bonjour , j ai des équations a faire pouvez vous y répondre avec les calculs.Merci d avance
A) 6x + 3 = 12
B) -x + 6 = 14
C) 2x + 3 = 4x - 1
D) 10 - x = 6x + 8
A) 6x + 3 = 12
B) -x + 6 = 14
C) 2x + 3 = 4x - 1
D) 10 - x = 6x + 8
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bonjour
A) 6x + 3 = 12
6x = 12-3
6x =9
x =9/6
x =3/2
B) -x + 6 = 14
-x = 14-6
-x = 8
x = -8
C) 2x + 3 = 4x - 1
2x-4x = -1-3
-2x = -4
x = -4/-2
x =2
D) 10 - x = 6x + 8
-x-6x = 8-10
-7x = -2
x = -2/-7
x =2/7