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6,5x-0,6² :4>15,61-3,5x =

Răspuns :

6,5x-0,36:4>15,61-3,5x
6,5x-0,09>15,61-3,5x
6,5x+3,5x>15,61+0.09
10x>15,7=>x>15,7:10=>x>1,57