6 3х 4 3 7 2х 0 3 July 8, 2019 16 32 64 128 6х+3 0 7-4х 7 6*(3х-0 7)=4 8 6 3-3 6(х-2)=4(7-0 5х) 3 6х-4-3(7 2х+0 3)