помогите (1+3i)x+(2-5i)y=7+i

1 * x + 3ix + 2y - 5iy = 7 + i;x + 2y = 7; 3x + 6y = 21;i: 3x - 5y = 1;11y = 20;y = 20/11;x + 40/11 = 7;x = 37/11; y = 20/11.