ACT 2015 December(72E) Math Question 10 Explanation - ACT Helper

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2015 December(72E) Math Question 10
Matrices
- Addition & Subtraction
Choice G
$[\begin{matrix} 2 \times 1 + 3 \times 2 & 2 \times 2 + 3 \times 1 \\ 2 \times 3 - 3 \times 1 & 2 \times 4 - 3 \times 2 \end{matrix}] = [\begin{matrix} 8 & 7 \\ 3 & 2 \end{matrix}]$
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