Use Matrices to Solve the System of Equations $\left\{ \begin{array} { l } 4 x + 4 y = 16 \\- x - y = - 4\end{array} \right.$

question 142

Multiple Choice

Use matrices to solve the system of equations. $\left\{ \begin{array} { l } 4 x + 4 y = 16 \\- x - y = - 4\end{array} \right.$

• A) (4,16)
• B) (16,4)
• C) (-4,-16)
• D) no solution
• E) infinitely many solutions

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