Answer:
8x+3y
Step-by-step explanation:
1. Find like terms: 5x and 3x share the same constant "x" so you can combine them. There is nothing to combine with the 3y since there is no other term with the constant "y".
2. Rearrange to make it easier to see: 5x+3x+3y
3. Add the 5x and 3x: 8x+3y
