Algebra Calculator
Enter the coefficients a and b to solve the linear equation a·x + b = 0 for x.
Solve for x in: a·x + b = 0
x +
= 0
Formula
x = −b ÷ a
Example
2x − 6 = 0 solves to x = 3.
Frequently Asked Questions
- Can this solve quadratic equations too?
- No, use the Quadratic Equation Calculator for equations with an x² term.
Related Calculators
- Quadratic Equation CalculatorSolve a quadratic equation of the form ax² + bx + c = 0.
- Scientific CalculatorA full-featured online scientific calculator with trigonometric, logarithmic and exponential functions, keyboard support included.
- Percentage CalculatorCalculate percentages three ways: find X% of a number, find what percent one number is of another, or find percentage change.
- Fraction CalculatorAdd, subtract, multiply or divide two fractions and get the simplified result.
- Area CalculatorCalculate the area of a square, rectangle, triangle or circle.
- Average CalculatorCalculate the average (mean) of a list of numbers.