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If A = [{:(3, 2),(1, 4):}], B = [{:(-5, ...

If `A = [{:(3, 2),(1, 4):}], B = [{:(-5, 9), (3, 4):}]," and C" = [{:(-3, 6),(2, 1):}],` then find 2A + 3B - 4C.

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The correct Answer is:
`[{:(3, 7),(3, 16):}]`
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