Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.-7x - 87 = 9y-4x + 4y = 4
A. {(-7, -4)}
B. Cramer's rule does not apply since D = 0; ?
C. {(-6, -5)}
D. {(-6, -4)}
Answer: C
Mathematics
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