Algebra Calculator — Solve Equations & Simplify
Quick answer: Solve ax + b = c, simplify √n, or evaluate |x| with step-by-step solutions.
Use this algebra calculator to solve linear equations, simplify square roots (radicals), and evaluate absolute values — all with step-by-step working. Enter your values and get instant answers formatted exactly as your textbook shows.
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Last reviewed: April 2026Report an error
Solve: ax + b = c
x
3
3x + 5 = 0x + 14 → 3x - 0x = 14 - 5 → 3x = 9 → x = 9 ÷ 3 = 3
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How to Use This Algebra Calculator Calculator
- 1Select the type of algebra operation: Solve Equation, Simplify Radical, or Absolute Value.
- 2Enter your values (coefficients, constant, or number).
- 3Read the answer and step-by-step solution.
- 4Use the share button to copy a link to your specific problem.
Frequently Asked Questions
- Isolate x: move all x-terms to one side, constants to the other, then divide by the coefficient. Example: 3x + 5 = 14 → 3x = 9 → x = 3.
- Simplifying √n means factoring out the largest perfect square. Example: √72 = √(36×2) = 6√2. The decimal approximation is 8.485.
- |x| is the distance from zero — always non-negative. |−7| = 7. |5| = 5. Used heavily in distance problems and inequalities.
- Use the Quadratic Formula Calculator for ax² + bx + c = 0. This calculator handles linear equations (degree 1), radicals, and absolute values.
- Constantly. Algebra underlies loan interest calculations, budgeting, engineering formulas, programming logic, cooking ratios, and almost every science.
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