Explications étape par étape:
2x - 5 = x + 1
2x - x = 1 + 5
x = 6
6 - 3,4x = 5,4x + 6
-3,4x - 5,4x = 6-6
-8,8x = 0
x = 0
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Explications étape par étape:
2x - 5 = x + 1
2x - x = 1 + 5
x = 6
6 - 3,4x = 5,4x + 6
-3,4x - 5,4x = 6-6
-8,8x = 0
x = 0