Use Matrices to Find the Y -Coordinate of the Solution $\left\{ \begin{array} { l } x - 2 y = 26 \\3 x - y = 33\end{array} \right.$

question 176

Multiple Choice

Use matrices to find the y -coordinate of the solution of the following system. $\left\{ \begin{array} { l } x - 2 y = 26 \\3 x - y = 33\end{array} \right.$

• A) y=-9
• B) y=9
• C) y=8
• D) y=-8

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