Answer:
Your answer would be a= 44
Explanation:
44+4=48
To check: 48-4=44
Therefore, your answer is 44
a = 44 is correct
a + 4 = 48
plug in the #'s 1 at a time
43 + 4 = 48
47 = 48 FALSE
51 + 4 = 48
55 = 48 FALSE
44 + 4 = 48 TRUE
52 + 4 = 48 FALSE
Hope this Helps!!!
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