Question

plz tell me the answer of this question​

Answer 1

Answer:

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Answer 2

Answer:

mean is 8

Step-by-step explanation:

(12 + x + 5 + 7 + 13) / (5) = 9

(37 + x) / 5 = 9

37 + x = 9(5)

37 + x = 45

x = 45 - 37

x = 8