## Prepare a Presentation

## Work Time

# Prepare a Presentation

Select one of the problems from Task 4.

- Explain how you wrote an equation to represent the balance scale.
- Explain how you used the addition property of equality to find the solution.
- Explain how you checked your solution.

# Challenge Problem

Use the addition property of equality to solve the following equation. Show each step of your work.

*x*+ 6.7 = 9.45