Linear Equation Solver

Solve ax + b = c for x, with the steps.

Quick answer: Linear Equation Solver: Solve ax + b = c for x, with the steps. Everything runs in your browser, so nothing you enter is uploaded or stored.

How to use Linear Equation Solver

Enter your values in the fields.
The results update instantly as you type.
Note or copy the numbers you need.

Features

Instant results
Free, no signup
Runs in your browser, nothing is uploaded
Works on phone and desktop

Formula

x = (c - b) / a.

Worked example

3x + 5 = 20 gives x = 5.

Frequently asked questions

What does it solve?

Equations of the form a x + b = c.

What if a is 0?

There is no single solution.

Is the Linear Equation Solver free?

Yes. It is free, needs no signup and works on any device.