Equation Solver – Solve Linear & Quadratic Equations Step by Step
Solve linear, quadratic, and systems of equations instantly with clear step-by-step working so you can learn the method, not just the answer.
Enter coefficients for: ax + b = 0
Enter coefficients for: ax² + bx + c = 0
Enter a mathematical expression to evaluate
Supported: +, -, *, /, ^, sqrt(), sin(), cos(), tan(), log(), exp(), pi, e
Examples
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What is this tool?
An Equation Solver is a free mathematical tool that finds the roots and solutions of linear equations (ax + b = 0), quadratic equations (ax² + bx + c = 0), and systems of two linear equations. It presents every step of the solving process – isolating variables, applying the quadratic formula, or using substitution – so students can follow the method and understand why each step works. Ideal for high-school and university students doing algebra homework, checking exam preparation, or learning problem-solving techniques.