1) 9х-7=6х+14
2) 3(4-2х)+6= -2х+4

9х-7=6х+149х-7-6х-14=03х-21=03х=21Х=21/3Х=7________9*7-7=6*7+14Ответ :Х=73(4-2х)+6= -2х+412-6х+6=-2х+412-6х+6+2х-4=0-4х+14=0-4х=-14 |*(-1)4х=14Х=14/4=7/2_________________3*(4-2*7/2)+6=-2*7/2+4Ответ : х=7/2