1.

Find the value of x - y, if \(\begin{bmatrix} \rm 2 & \rm3x\\ 8 & \rm 2y \end{bmatrix} = \begin{bmatrix} 2 & 9\\8 & 4 \end{bmatrix}\)

A. 3
B. 2
C. 1
D. 0
Answer» D. 0


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