Use Gaussian Elimination to Solve the System of Equations $$\begin{array} { l } 5 x - 4 y = - 7 \\20 x - 5 y = 5\end{array}$$

question 101

Multiple Choice

Use Gaussian elimination to solve the system of equations.
$$\begin{array} { l } 5 x - 4 y = - 7 \\20 x - 5 y = 5\end{array}$$

• A) (3, 1)
• B) (1, 3)
• C) (-3, -1)
• D) (-1, -3)

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