Math Equation Solver
Solve linear equations step by step — isolate x with operations shown. Check 3x + 7 = 22 → x = 5 before class — free, local, no signup.
How to Use the Math Equation Solver
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Frequently Asked Questions
Solve 3x + 7 = 22?
x = 5 — subtract 7 (3x = 15), divide by 3. Each isolation step displays in classroom order.
Fractions in equations?
Cleared first by multiplying through by the LCD — x/2 + x/3 = 5 becomes 5x = 30. Denominators never survive step one.
Check answers?
Substitute back: 3(5)+7 = 22 ✓. The solver verifies automatically — do it manually on exams.
Do equations upload anywhere?
No — solving runs locally in your browser. Nothing leaves your device.
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Last updated October 2026