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7-3[2x-4(x-1)+6]-(5x-11)=2 xeZ
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Răspuns :

Didi12342
7-3[2x-4(x-1)+6]-(5x-11)=2
7-3(2X-4X+4+6) -(5X-11) = 2
7-3(10-2X)-5X+11 = 2
7-30+6X-5X+11 = 2
X = 2+23-11
X = 14

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