Respuesta :

Given the expression:

[tex]y-x-x[/tex]

First, you can simplify both x-terms:

[tex]y-2x[/tex]

Replace the expression with the given values for y and x and solve

[tex]\begin{gathered} y-2x=4-2\cdot5 \\ 4-10=-6 \end{gathered}[/tex]

The result of the expression when y=4 and x=5 is 6