{2x-7y=8 {x+3y=5|*(-2) { 2x-7y= 8 {-2x-6y=-10 |+ -13y=-2 y=2/13 x+3*2/13=5 x+6/13=5 x=5 - 6/13 x=65/13 -6/13 x=59/13 x=4 7/13 Ответ: (4 7/13; 2/13)