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I 2x-1I + I 2+1I = 3

multmesc


Răspuns :

|2x-1| + |2+1| =3
|2x-1| +3=3
|2x-1| =0

•2x-1 =0 => 2x=1=> x=1/2
•1-2x=0 => 2x=1 => x=1/2