Find X and Y if X + Y =7035 and X-Y=3004.

Find X and Y if X + Y = $(\begin{matrix} 7 & 0 \\ 3 & 5 \end{matrix}) a n d X - Y = (\begin{matrix} 3 & 0 \\ 0 & 4 \end{matrix}) .$

Matching exercise

Match the items on the right to the items on the left.

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