Additional Properties of Equality

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