Question 480514
<pre>
Just subtract the corresponding elements (numbers):

{{{(matrix(3,2,
1,6,2,-1,5,7))-(matrix(3,2,
4,-2,3,1,2,0))=(matrix(3,2,
(1)-(4),(6)-(-2),(2)-(3),(-1)-(1),(5)-(2),(7)-(0)))=

(matrix(3,2,1-4,6+2,2-3,-1-1,5-2,7-0))=
(matrix(3,2,-3,8,-1,-2,3,7))
}}}

Pretty easy, huh?

Edwin</pre>