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Use Cramerʹs Rule to Solve the System of Equations 7x+92=9y2x6y=40\begin{array} { l } - 7 x + 92 = 9 y \\- 2 x - 6 y = - 40\end{array}

Question 424

Multiple Choice

Use Cramerʹs rule to solve the system of equations. If D = 0, use another method to determine the solution set.
- 7x+92=9y2x6y=40\begin{array} { l } - 7 x + 92 = 9 y \\- 2 x - 6 y = - 40\end{array}


A) {(7,5) }\{ ( 7,5 ) \}
B) Cramer's rule does not apply since D=0;D = 0 ; \varnothing
C) {(8,5) }\{ ( 8,5 ) \}
D) {(8,4) }\{ ( 8,4 ) \}

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