Answer
True
Work Step by Step
Properties of matrix addition are given in the box on page 614.
Property 1: $A+B=B+A$,
so the statement is true.
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Alternatively, since
$[A+B]=[a_{ij}+b_{ij}]$ =
... addition of real numbers is commutative ...
$=[b_{ij}+a_{ij}]$
$=B+A$
