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 5

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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