[tex]4 + \frac{3}{x} \times i - 4i = - i + \frac{6}{x} - 2xy[/tex]
[tex]4 + ( \frac{3}{x} - 4)i = - i + \frac{6}{x} - 2xy[/tex]
[tex](4 = \frac{6}{x} - 2 xy[/tex]
[tex]( \frac{3}{x} - 4 = - 1[/tex]
[tex] \frac{3}{x} - 4 = - 1[/tex]
[tex]x = 1[/tex]
[tex]4 = \frac{6}{1} - 2 \times 1y[/tex]
[tex]y = 1[/tex]
[tex]x = 1[/tex]
[tex](4 = \frac{6}{1} - 2 \times 1 \times 1[/tex]
[tex] \frac{3}{1} - 4 = - 1[/tex]
[tex](4 = 4[/tex]
[tex]( - 1 = - 1[/tex]
[tex]x = 1[/tex]
[tex]y = 1[/tex]
