Algebra 1 · Expressions & Equations
Literal Equation
Algebra 1 · Expressions & Equations
Definition
A literal equation is an equation involving several variables, often a formula, solved for one chosen variable.
Examples
- Solve A = lw for w: w = A/l.
- Solve d = rt for r: r = d/t.
Key rule
Use inverse operations to solve for the requested variable.
Memory hook
Literal = letters everywhere; pick one to solve for.