What you provide
What you provide
- Coefficient a: Non-zero multiplier applied to x.
- Constant b: Constant added on the left side.
- Right-side value c: Value the left side must equal.
ALGEBRA / AX + B = C
Linear Equation Calculator
Solve one linear equation in the form ax + b = c and verify the result with substitution and residual output.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Subtract b from both sides, divide by non-zero a, and substitute the result to expose any numeric residual.
Calculation path
For ax + b = c, x = (c - b) / a.
What you receive
What you receive
- Solved x value
- Substitution check
- Numerical residual
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
If a is zero, this form cannot distinguish an identity from a contradiction and pauses instead of claiming a unique solution.
Results are educational math aids. Check notation, units, rounding, assumptions, and required precision before using an answer in graded, engineering, financial, or safety-critical work.