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16. Rezolvați ecuațiile: a) (2x - 5)² = 9; e) 3(2x + 5)² = 27; i) 3(2x - 1)² = 147; b) (2x - 3)² = 25; f) 3(2x-7)² = 75; j) 2(2x + 3)² = 98. c) (2x + 7)² = 81; g) 4(2x + 1)² = 36; d) (2x - 1)² = 49; h) 2(2x + 3)² = 162;​