Answer:
The answer is (C)
Step-by-step explanation:
Yes it x equals 4 and y equals 8 hope this helps
The answer is A.) 3x-7y and -7y+3x
This is due to "3x" implies the value is positive, or "+3x", and -7y remains -7y.
So, we have 3x-7y and -7y+3x.
I hope this helps!
