2) Решите неравенство:
а) 6+х < 3 - 2х ;
б) 7-4х < 6х-23;
в) 2(3+х) - (4-5х) ≤ 9.
г) 0,8(х-3) - 3,2 ≤ 0,3(2 - х).
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