2.8х - 17 > 0.3х - 4.5
2.5х > 12.5
х > 5
12.3х - 16.6 <= 7.1х + 19.8
5.2х <= 36.4
х <= 7
х принадлежит (5; 7]
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2.8х - 17 > 0.3х - 4.5
2.5х > 12.5
х > 5
12.3х - 16.6 <= 7.1х + 19.8
5.2х <= 36.4
х <= 7
х > 5
х <= 7
х принадлежит (5; 7]