If (x+y+z)/5 = 2 (x+y), what is the value of z?
A. 9 (x-y)
B. (x+y)/3
C. 9(x+y)
D. (x-y)5
E. None
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সঠিক উত্তরঃ
C.
9(x+y)
Explanation:
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