Linear Equation Solver
Solve a·x + b = 0 for x.
Input Data
A
B
Results
Solution x.
3
Explanatory note about the result.
x = −b/a = −(-6)/2 = 3
At a glance:Solve a·x + b = 0 → x = −b/a. Complements inequality and system-2x2.
Formula
x = −b / a.
How to Use
- Enter a and b.
- The tool returns x.
Case Studies
2x + 4 = 0
x = −2.
FAQ
If a = 0?
Then it is not a linear equation in x (no unique solution).
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References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.