Answer:
the value of the expression at x=7 is;
[tex]14[/tex]Explanation:
Given the expression;
[tex]2x[/tex]If x=7, then we have;
[tex]\begin{gathered} 2x=2(7) \\ =14 \end{gathered}[/tex]Therefore, the value of the expression at x=7 is;
[tex]14[/tex]
