I2x+3 supra 5 I =2
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Răspuns :

|2x+3/5|=2 <=> |2x+3|/|5|=2 <=> |2x+3|/5=2 <=> |2x+3|=10. Exista 2 cazuri: 1) 2x+3=10, x=7/2; 2) 2x+3=-10 => x=-13/2