Réponse:
-3x+0-1=2x
-3x+0-1-2x=2x-2x
-5x+0-1=0
-5x+0-1+1=0+1
-5x=1
-5x/-5=1/-5
x= 1/-5 = -0,2
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Réponse:
-3x+0-1=2x
-3x+0-1-2x=2x-2x
-5x+0-1=0
-5x+0-1+1=0+1
-5x=1
-5x/-5=1/-5
x= 1/-5 = -0,2