$y=x$
\(\boxed{y = 5}\) when \(x = 5\)
Step 1 :Given the equation: \(y = x\)
Step 2 :For a given value of x, say \(x = 5\), we can find the value of y using the equation.
Step 3 :Substitute the value of x into the equation: \(y = 5\)
Step 4 :\(\boxed{y = 5}\) when \(x = 5\)