To solve the equations:
Start with the first equation: x = 8.
Substitute the value of x into the second equation: 18(8) - y = 11.
Simplify: 144 - y = 11.
Move the constant term to the other side of the equation: -y = 11 - 144.
Simplify further: -y = -133.
Divide both sides of the equation by -1 to isolate y: y = 133.
Therefore, the solution to the system of equations is x = 8 and y = 133.
