7 2х 3 ) 1 2 7х 10 July 8, 2019 16 32 64 128 7 2х 3 )+ 1 2 7х 10 2 7х-1 3х+3 6х=2 2 3/7 - 10 х 1/2 2(7х - 7) = 7(2х - 3) + 7 2 3/7 х/7 3 1/7