Hej!
Obliczenia
[tex]dla \ x=-1 \ i \ y=-3\\\\\dfrac{10x+18y}{6x+5}=\dfrac{10\cdot x+18\cdot y}{6\cdot x+5}=\dfrac{10\cdot(-1)+18\cdot(-3)}{6\cdot(-1)+5}=\\\\\\=\dfrac{-10-54}{-6+5}=\dfrac{-(10+54)}{-1}=\dfrac{-64}{-1}=\huge\boxed{64}[/tex]
Pozdrawiam! ~ JulkaOdMatmy