Substitution Calculator
Substitute numbers or expressions for variables and evaluate or simplify the result, with each replacement shown.
Substitute numbers or expressions for variables and evaluate or simplify the result, with each replacement shown.
Your result will appear here
Replaces variables in an expression with numbers or other expressions. If every variable receives a number the result is evaluated; otherwise the expression is simplified with the remaining variables left in place.
Example
x^2 + 2x + 1 with x = 3
→ 16