Answer:
30y+13x+14.5
Step-by-step explanation:
use distributive property
1/2 x 2x and 1/2 x 5 = x + 2.5
6 x 5y and 6 x 2x and 6 x 2 = 30y+12x+12
combine like terms x+2.5 + 30y+12x+12 = 30y+13x+14.5
