
Dylan L. answered 11/18/15
Tutor
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Mechanical Engineer: over a decade of math tutoring experience
For matrices, add and subtract elements to add or subtract matrices, as long as they are the same size.
A-B = (3-2) (-2- -2) (5-1) (0-4)
(0-0) (1-0) (1- -3) (-3 -2)
= 1 0 4 -4
0 1 4 -5
A-B = (3-2) (-2- -2) (5-1) (0-4)
(0-0) (1-0) (1- -3) (-3 -2)
= 1 0 4 -4
0 1 4 -5