14
To solve this, you have to substitue 2 for x and 1 for y (x=2 and y=1).
8x (the same thing as 8 times x) equals 16 because 8 times 2 equals 16.
16 - 3 = 13
You now want to add 13 + y. Y = 1, so you are adding 13 + 1, which is 14.
8(2) - 3 + 1 = 14