6-4(1-x)=2(3x+4) срочнооо
6-4+4х=6х+8 2+4х=6х+8 -2х=6 х=-3
6-4+4х=6х+8 4х-6х=8+4-6 -2х=6 -х=6/2 -х=3 х=-3