Answer:
3y + 10x
Step-by-step explanation:
Combine the like terms:
5y - 2y = 3y
7x + 3x = 10x
Then, add them
10x + 3y
5y+7x-2y+3x equivalent to 3y+10x
=5y+7x-2y+3x
=5y - 2y +7x +3x
=3y+10x
