Respuesta :

First Column, -x and 5 third column, -x and 2

[tex]\boxed{2\:x}[/tex], x + 2 , 2 - x

5 - x , x , [tex]\boxed{2x\:-\:1}[/tex]

[tex]\boxed{x\:-\:1}[/tex], 2 , [tex]\boxed{x\:+\:3}[/tex]

..................................................................

Each row and column sums to [tex]\sf\purple{2x\:+\:4}[/tex].

[tex]\large\mathfrak{{\pmb{\underline{\orange{Happy\:learning }}{\orange{.}}}}}[/tex]