Identify equivalent expressions

Key Notes :

🎈 Two expressions are equivalent if they are the same when written in standard form. For example, 3(x+4) and 2x+x+12 are equivalent because they have the same standard form, 3x+12.

Learn with an example

✈️ Which expression is equivalent to 8p+9p?

  • p+17
  • 17p
  • p17
  • 18p
  • Write 8p+9p in standard form.
  • 8p+9p
  • 17p Combine like terms
    The expression 8p+9p is equivalent to 17p.

✈️ Which expression is equivalent to 5n+7n?

  • n+12
  • 12n
  • 11n
  • n12
  • Write 5n+7n in standard form.
  • 5n+7n
  • 12n Combine like terms
    The expression 5n+7n is equivalent to 12n.

✈️ Which expression is equivalent to 6r+8r?

  • r14
  • 14r
  • r+14
  • 15r
  • Write 6r+8r in standard form.
  • 6r+8r
  • 14r Combine like terms
    The expression 6r+8r is equivalent to 14r.

Let’s practice!🖊️