Solve 15 x 1 4 x 3 2 7 x July 8, 2019 16 32 64 128 4 - 7 x 15 + 1 - x 3 равно 4 - 2 x + 15 4) 15 2/15 - x = 7 1/12 15 − 4(7 − x) = 11
