What is the value of x in the last echo command in the main script

cat fun$3$

myfunc$()$

$\{$

echo "I was called as : $@$"$

x$=4$

$\}$

### Main script starts here

echo "Script was called with $@$"$

x$=3$

echo $"$x is $x$"$

myfunc $345$

echo $"$x is $x$"$