Answer:
easy :) answer is 12x-8y
Step-by-step explanation:
all you do is combine like terms
1. the 10x + 2x which is 12x
2. (this part gets tricky) you have a NEGITIVE 5 minus 3 so if you are subtracting by a negitive number you add (5+3=8) and keep the negitive (-8y)
