Equation
noun · Mathematics
Definition
A statement that two expressions are equal.
Explanation
Solving an equation means finding the value of the variable that makes the statement true.
Example
3x + 5 = 20 is an equation.
Common confusion
An equation can be solved; an expression cannot.
Related terms
- ExpressionA combination of numbers, variables and operations without an equals sign.
- VariableA symbol, often a letter, representing a quantity that can change or is unknown.
- Quadratic equationAn equation that can be written as ax squared plus bx plus c equals 0, where a is not zero.
Study guides that use this term
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