Key learning points

1. With linear equation involving brackets, there are two methods for addressing the brackets.
2. You can expand the bracket (multiply out).
3. You can divide each term.
4. If there is a common factor across all terms, then division may be best.

Common misconception

Keywords

• Additive inverse - The additive inverse of a number is a number that, when added to the original number, gives the sum of 0.

• Reciprocal - The reciprocal is the multiplicative inverse of any non-zero number. Any non-zero number multiplied by its reciprocal is equal to 1

• Like terms - Like terms are terms that have the same set of variables and corresponding exponents.