Решите уравнения:
а) 8х - 1 = 9 (10-х) + 198
б) 0,2х = 20
в) 5 (3х - 1) = 35х - 25 - 30
г) 6х + 10 (х-1) = 18 + 20х
д) -15х = -45
е) 3у - 5 (2 - у) = у - 34
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