?Use Cramer's Rule to solve the system of equations 
.
?
A. ?x = 5, ?y? = 8
B. ??x = 5, ?y? = 9
C. ???x = 4, ?y? = 8
D. ??x = 7, ?y? = 7
E. ??x = 9, ?y? = 5
Answer: B
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