Answer :

2r-4/r-2 = 2(r-2)/r-2 = 2
Lilith
[tex]\frac{2r-4}{r-2 }\\ \\ r-2 \neq 0 \\ \\r\neq 2\\\\\\\frac{2r-4}{r-2 } =\frac{2(r-2)}{(r-2) } = 2 \\ \\[/tex]