Home > MC2 > Chapter 7 > Lesson 7.1.1 > Problem 7-9
7-9.
Solve the equations below for the variable. Be sure to check your answer.
Distribute.
Combine like terms.
Subtract
Add
Divide each term by
Substitute 1 back into the original equation to check your answer.
When you simplify this expression, do you get the same values on each side?