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Use the Gauss-Jordan Method to Solve the System of Equations 3x+y=109x+4y=25\begin{array} { l } 3 x + y = 10 \\9 x + 4 y = 25\end{array}

Question 190

Multiple Choice

Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, give the
solution with y arbitrary.
- 3x+y=109x+4y=25\begin{array} { l } 3 x + y = 10 \\9 x + 4 y = 25\end{array}


A) {(5,5) }\{ ( 5 , - 5 ) \}
B) \varnothing
C) {(5,5) }\{ ( - 5 , - 5 ) \}
D) {(5,5) }\{ ( - 5,5 ) \}

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