У2=-7 х+4

у2-13=11 х+5 х2

-7x+4-13=11x+5x²

5x²+18x+9=0

D=324-180=144

x1 = (-18+12) / 10 = - 3/5

x2 = (-18-12) / 10 = - 3

y²1=-7*-3/5+4=21/5+4=21/5+20/5 = 41/5

y1=√41/5

y1=-√41/5

y²2=-7*-3+4=25

y2=5

y2=-5

Ответ: (-3/5; √41/5) ; (-3/5; - √41/5) ; (-3; 5) ; (-3; - 5)