SOLUTION: Given A = 3 -2 0 1 4 2 -1 5 -3 find -3A. Thank you for your help

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When you multiply a scalar value (any single number) by a matrix, you simply multiply that scalar value by every matrix entry.
So if you have the matrix

and you want to multiply that matrix by the scalar value of -3, then you simply multiply -3 by every matrix entry like this:

which then comes to be




So if ,


then