8 5х 2 15х 3 05 х 9 5 July 8, 2019 16 32 64 128 8 5-2 15х=3 05х-9 5 8 5 - 2 15x = 3 05x - 9 5 2 5/9х-15 х-1 8 5х-2 15х=3 05х-9 5