## Find the Solution

## Opening

# Find the Solution

Set up the Balance Scale X interactive as your teacher instructs you. Ignore any instructions in the interactive. Then complete the following.

- Write an equation that represents the balance scale.
- Can you add or subtract something from both sides of the balance scale to find the value of
*x*that makes the equation true? Experiment with the Balance Scale X interactive to see if you can find the solution using this method. - What is the solution?
- Substitute your solution for
*x*in your equation to check your answer.

INTERACTIVE: Balance Scale X