Subtract with One Scalar - Single Entry to Value

Question

Choose the result with the highlighted entry filled in correctly.

$$A = \left[ {\begin{array} {cc} 3 & -8 \ 7 & -6 \ -1 & 5 \end{array}  } \right] \qquad B = \left[ {\begin{array} {cc} -6 & -4 \ 5 & -5 \ -9 & -7 \end{array}  } \right] \[8pt] 2A - B = \left[ {\begin{array} {cc} ? & ? \ \fcolorbox{#1b7f3b}{#e6f7ec}{$?$} & ? \ ? & ? \end{array}  } \right]$$

Accepted Answer

$$\left[ {\begin{array} {cc} ? & ? \ 9 & ? \ ? & ? \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {cc} ? & ? \ -7 & ? \ ? & ? \end{array}  } ight]$$

Practice: Matrices

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Subtract with One Scalar - Single Entry to Value