Linear Equation Calculator
Solve a one-variable equation in the form ax + b = 0.
Linear Equation Calculator
How it works
Solve a one-variable equation in the form ax + b = 0.
Formula and method
Subtract b and divide by a: x = −b ÷ a. If a is zero there are either no or infinitely many solutions.
When to use it
Enter values to check homework, verify a manual calculation, compare examples, or explore how each input changes the answer. Results update instantly, but you should still choose units and interpret the result in the context of your problem.
FAQ
How it works?
Subtract b and divide by a: x = −b ÷ a. If a is zero there are either no or infinitely many solutions.
Can I use decimal values?
Enter values to check homework, verify a manual calculation, compare examples, or explore how each input changes the answer. Results update instantly, but you should still choose units and interpret the result in the context of your problem.