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4x-1+6x-4=1
|X-1|=3
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Răspuns :

4x-1+6x-4=1
10x-5=1
10x=6
x=6/10
x=3/5

|x-1|=3
Cazul 1: x-1=3 => x=4
Cazul 2: x-1=-3 => x=-2