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AlinAlexin
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Ajutor !!! |2x + 3 | - 4 | 2 - (2x + 5 ) | = - 27

Răspuns :

Ovdumi

|2-(2x+5)|=|-2x-3|=|2x+3|
|2x+3|-4|2-(2x+5)|=-27
-3|2x+3|=-27
|2x+3|=9
2x+3=9, x=3
2x+3=-9, x=-6
ecuatia are 2 solutii; x={3,-6}

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