if (3^{(x-y)}=27 ) and (3^{(x+y)}=243 ), then (x ) is equal to: – McqOptions

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1.	if (3^{(x-y)}=27 ) and (3^{(x+y)}=243 ), then (x ) is equal to:
A.	2
B.	4
C.	6
Answer» D.

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