Examine the following problems. Find the mistake in each. Show that the problems are incorrect by substituting the following values for the variables:...

Examine the following problems. Find the mistake in each. Show that the problems are incorrect by substituting the following values for the variables: a = 3, b = 2, n = 4; or by working both sides of the equation and showing that they are not equal, then rework the problems correctly, explaining your steps and using Equation Editor.