Solve simple equations for the unknown x. Type in the equation as written, and get the value of x.
How to use this calculator
- Enter the equation, for example 2x + 5 = 15.
- Press "Solve" to find the value of x.
- See the solution shown as "x = ...".
Examples
x + 5 = 10 → x = 52x = 10 → x = 5x² = 25 → x = ±5
Frequently asked questions
What kinds of equations are supported?
The calculator solves linear equations (like 2x + 5 = 15) and simple quadratic equations with one unknown (like x² = 25). It is not a full symbolic algebra tool and doesn't support multiple unknowns or more complex expressions.