Question

$$5x-4y+8=0/7x+6y-9=0$$

Evaluate (complex solution)

$x=-\frac{2}{5}\text{ and }y=\frac{3}{2}$

Solve for x

$x=-\frac{2}{5}=-0.4$
$y = \frac{3}{2} = 1\frac{1}{2} = 1.5$

Solve for y

$y = \frac{3}{2} = 1\frac{1}{2} = 1.5$
$x = -\frac{2}{5} = -0.4$