Step 1 :Solve the first equation for y: \(y = 11 + 5 = 16\)
Step 2 :Substitute y into the second equation: \(16 - 5 + x = 20\)
Step 3 :Solve the equation for x: \(x = 20 - 16 + 5 = 9\)
Step 4 :Final Answer: \(\boxed{y = 16, x = 9}\)