Question

-0,6x-2/1-2y если x=-2 y=0,3

Answer 1

$\frac{ - 0.6x - 2}{1 - 2y} \\ \frac{( - 0.6 \times - 2) - 2}{1 - 2 \times 0.3 } = \frac{1.2 - 2}{1 - 0.6} = \frac{ - 0.8}{0.4} = \frac{ - 2}{1} = - 2$