To find the solution of the equation 11 - 4x = -9, we need to isolate the variable x.
Step 1: Subtract 11 from both sides of the equation:
11 - 4x - 11 = -9 - 11
-4x = -20
Step 2: Divide both sides of the equation by -4:
-4x / -4 = -20 / -4
x = 5
Therefore, the solution of the equation is x = 5.