Respuesta :

Given:

[tex]f(x)=2x[/tex][tex]\begin{gathered} \text{if } \\ f(x)=29 \end{gathered}[/tex]

so the value of x is:

[tex]\begin{gathered} f(x)=2x \\ f(x)=29 \\ f(x)=f(x) \\ 2x=29 \\ x=\frac{29}{2} \\ x=14.5 \end{gathered}[/tex]

So the value of x is 14.5