Question

$Find matrix X, if 5A-3X=2B, Where A \left[\begin{array}{ccc}8&0\\4&-2\\3&6\end{array}\right] and B= \left[\begin{array}{ccc}2&-2\\4&2\\-5&1\end{array}\right]$

Answer 1

Dear Student:

5A-3X=2B

3X=5A-2B

Clearly X= 1/3*(5A-2B)

Use notation given in the attachment.