Answer:
0
Step-by-step explanation:
So we have the expression:

And we want to evaluate it for x=-4 and y=8.
So, substitute:

Multiply:

Add:

Evaluate:

So, our answer is 0.
And we're done!
I didn’t learn this yet but maybe
Answer:
C
Step-by-step explanation:
Use elimination by multiplying thw whole top equation by 2. (both sides)
then cancel out y and solve for x. plug back in to get y
please mark brainliest if you found this helpful
? idont understsnd be more specific
Answer:
b. x+1..........................