Réponse :
Bonsoir
Explications étape par étape
X/4 = x/3 - 1/2
X/4 - x/3 = - 1/2
3x/12 - 4x/12 = -1/2
-x/12 = - 1/2
-x*2 = -1*12
-2x = -12
X = 12/2
X = 6
7x/6 - 2/3 = 5x/2
7x/6 - 5x/2 = 2/3
7x/6 - 15x/6 = 2/3
-8x/6 = 2/3
-4x/3 = 2/3
-4x*3 = 2*3
-12x = 6
X = -6/12
X = -1/2
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Réponse :
Bonsoir
Explications étape par étape
X/4 = x/3 - 1/2
X/4 - x/3 = - 1/2
3x/12 - 4x/12 = -1/2
-x/12 = - 1/2
-x*2 = -1*12
-2x = -12
X = 12/2
X = 6
7x/6 - 2/3 = 5x/2
7x/6 - 5x/2 = 2/3
7x/6 - 15x/6 = 2/3
-8x/6 = 2/3
-4x/3 = 2/3
-4x*3 = 2*3
-12x = 6
X = -6/12
X = -1/2