Respuesta :

hartnn
just plug in a = 5, y = -3 in that!

2a + ay  = 2(5) + 5(-3) = 10 -15 = -5
thats it!
just plug the number for each letter it tell you plug 5 for letter a and then plug -3 for y 
2(5)+(5)(-3)
10-15
-5