Question: If possible, find A + B, A - B, 4A, and 4A - 2B. (If not possible, enter IMPOSSIBLE in any cell of the matrix.)


If possible, find A + B, A - B, 4A, and 4A - 2B. (If not possible, enter IMPOSSIBLE in any cell of the matrix.) A = / - 2 - 10 B = 14 3 (a) A + B (b) A - B (C) 4A (d) 4A - 2B
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