Question

-0,6x-2/1-2y если x=-2 y=0,3

Answer 1

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