Question

Помогите решить 39 задание.

Answer 1

1.

$1. \\ \left \{ {{y=2x-7} \atop {y=x}} \right. \\ x = 2x - 7 \\ x = 7 \\ y = 7 \\ A = (7;7) \\ \\ 2.\\ \left \{ {{y=2x-7} \atop {y=-x}} \right. \\ -x = 2x - 7 \\ -3x = -7 \\ x = \frac{7}{3} \\ y = -\frac{7}{3} \\ B = (\frac{7}{3};-\frac{7}{3})$