7th grade math help me plzzzzz

Answer:
(8+3)x-y
Step-by-step explanation:
11x-y is the simplified version of the main eqaution
11x-y is also the simplified version of the other eqaution
Answer:
The second one down. Or (8+3)x-y
Step-by-step explanation:
First put x's near each other.
8x+3x-y
Then you can factor out a x from 8x+3x. So that leaves you with:
(8+3)x-y