Respuesta :
Hey there!
[tex]Answer:\boxed{\text{4 rows and 3 columns}}[/tex]
[tex]Explanation:[/tex]
A matrix has 4 rows and 3 columns. 4 rows means it has 4 system of equations and 3 columns means 3 variables in the system of equations. 3 columns means like x, y, z.
Hope this helps!