Algebra 1 · Expressions & Equations
Inverse Operation
Algebra 1 · Expressions & Equations
Definition
An inverse operation is an operation that undoes another, such as addition and subtraction, used to solve equations.
Examples
- Undo +5 by subtracting 5.
- Undo x2 by dividing by 2.
Key rule
Use the inverse operation to isolate the variable.
Memory hook
Inverse = the undo button for each operation.