Inequality Solver
Solve one-variable linear inequalities in the form ax + b ? c and see when the inequality sign flips.
This solves inequalities in the form ax + b ? c, where ? is one of <, ≤, >, ≥.
Result will appear here.
| Step | Value |
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Privacy: calculations run locally in your browser. No inequality values are stored or transmitted.
How it works
Rearrangement:
ax + b ? c
ax ? c − b
Divide by a. If a < 0, reverse the inequality.
Examples
- 2x + 3 < 11 → x < 4
- -2x + 3 < 11 → x > -4 (sign flips)
FAQ
- What kind of inequalities does this tool solve?
This tool solves one-variable linear inequalities in the form ax + b ? c, where ? can be <, ≤, >, or ≥.
- Why does the inequality sign sometimes flip?
When you divide or multiply both sides by a negative number, the inequality direction must reverse.
- What happens if a = 0?
Then the inequality no longer depends on x. It becomes either always true or never true depending on b and c.
- Are calculations stored?
No. Everything runs locally in your browser.