Use Matrices to Solve the System of Equations (If Possible) $$\left\{ \begin{array} { l } 2 x + 6 y = 10 \\2 x + 3 y = 7\end{array} \right.$$

question 188

Multiple Choice

Use matrices to solve the system of equations (if possible) .Use Gaussian elimination with back-substitution or Gauss-Jordan elimination. $$\left\{ \begin{array} { l } 2 x + 6 y = 10 \\2 x + 3 y = 7\end{array} \right.$$

• A) (10, 1)
• B) (2, 1)
• C) (2, -6)
• D) (-2, 1)
• E) (2, -1)

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