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A. n+4=n/2
B. cannot be the answer because it is subtracting instead of adding.
C. cannot be the answer because half of the number is supposed to go after the equal sign.
D. cannot be the answer because the half of the number part did not go before adding the number. Also, it's subtracting instead of adding.
Answer is A.
You can find the answer by plugging in X and Y to the equations
answer:
8417yd
Step-by-step explanation:
