Question:medium
If \( \begin{pmatrix} 3x-y & x+3y \\ 2x-z & 2y+z \end{pmatrix} = \begin{pmatrix} 7 & 9 \\ 5 & 5 \end{pmatrix} \), then \( x+y+z \) equals
If \( \begin{pmatrix} 3x-y & x+3y \\ 2x-z & 2y+z \end{pmatrix} = \begin{pmatrix} 7 & 9 \\ 5 & 5 \end{pmatrix} \), then \( x+y+z \) equals
Show Hint
Matrix equality gives system of equations.
Updated On: Apr 30, 2026
- \(3\)
- \(6\)
- \(9\)
- \(12\)
- \(11\)
Show Solution
The Correct Option is B
Solution and Explanation
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