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Answer:

Step-by-step explanation:
Answer:
5xy
Step-by-step explanation:
x and y can only go into both into once
C
the explanation is in the photo
Answer:
x = 5 and y = 3
Step-by-step explanation
y crosses out so you are left with
4x = 20 (divide by 4)
x = 5
plug x into either equation
5 + y = 8 (subtract 5)
y = 3