Respuesta :

To add matrixes, we have to add the terms in the same column and row. As an example, we have to do it as follows:

Row 1, Column 1:

[tex]-1+7=6[/tex]

Row 1, Column 2:

[tex]6-11=-5[/tex]

Row 2, Column 1:

[tex]-2+(-3)=-5[/tex]

Row 2, Column 2:

[tex]2-1=1[/tex]

Row 3, Column 1:

[tex]4+9=13[/tex]

Row 3, Column 2:

[tex]9+(-3)=6[/tex]

Answer:

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