Réponse:
1) 2x/-1 = 3x/2 -5/6
2x/-1 = 3(3x/2) -5/6
2x/-1 = 9x/6 - 5/6
2x/-1 = (9x - 5)/6
6 × 2x = -1 (9x - 5)
12x = -9x +5
12x+9x = 5
21x = 5
x = 5/21
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Réponse:
1) 2x/-1 = 3x/2 -5/6
2x/-1 = 3(3x/2) -5/6
2x/-1 = 9x/6 - 5/6
2x/-1 = (9x - 5)/6
6 × 2x = -1 (9x - 5)
12x = -9x +5
12x+9x = 5
21x = 5
x = 5/21