

MCQOPTIONS
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1. |
If \[{{27}^{x+1}}={{9}^{x+3}}={{3}^{y}},\] find the respective values of ?x' and 'y'. |
A. | 3 and 12 |
B. | 12 and 3 |
C. | 6 and 6 |
D. | 4 and 9 |
Answer» B. 12 and 3 | |