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in Matrices by (30.3k points)
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If A = \( \begin{bmatrix} 4 &2 \\[0.3em] 1 & 3 \\[0.3em] \end{bmatrix}\) and B = \( \begin{bmatrix} -2 &1 \\[0.3em] 3&2 \\[0.3em] \end{bmatrix},\) find a matrix X such that

3 A – 2B + X = O.

A = [(4,2)(1,3)]

B = [(-2,1)(3,2)]

1 Answer

+1 vote
by (29.9k points)
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Best answer

We have 3A – 2B + X = 0

So X = -(3A – 2B)

Thus,

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