Key learning points

1. Starting from a single value for a variable you can write equations that are equivalent.
2. A solution to a linear equation is a value that makes the two sides equal .
3. All the equivalent equations will have the same solution.

Keywords

• Solution - A solution to an equality with one variable is a value which, when substituted, maintains the equality between the expressions.

• Equation - An equation is used to show two expressions that are equal to each other.

Common misconception