Five less than six times a number is 13.
Let n represent the number.
a) Write an equation you can use to solve for n.
b) Use a model to solve the equation.
What is the number?
c) Verify the solution.

During the revising stage in the writing process, the author freely explores topics for further inclusion in the work polishes the writing, fixing minor grammatical errors gets his or her ideas down in roughly the form he or she intends corrects major errors and improves the work's content