Solving One-Step & Two-Step Equations
Isolating x using inverse operations, one and two steps at a time.
Score: 0 / 10
1. Solve: x + 7 = 12
2. Solve: x − 4 = 9
3. Solve: 3x = 21
4. Solve: x/4 = 6
5. Solve: 2x + 3 = 11
6. Solve: 5x − 2 = 18
7. Solve: 3x + 4 = 19
8. Solve: x/3 − 2 = 5
9. Solve: 4x − 6 = 10
10. Solve: 2(x + 3) = 16
Answer key — Solving One-Step & Two-Step Equations
- A — 5. Subtract 7 from both sides: x = 12 − 7 = 5.
- B — 13. Add 4 to both sides: x = 9 + 4 = 13.
- B — 7. Divide both sides by 3: x = 21 ÷ 3 = 7.
- C — 24. Multiply both sides by 4: x = 6 × 4 = 24.
- B — 4. Subtract 3: 2x = 8. Divide by 2: x = 4.
- B — 4. Add 2: 5x = 20. Divide by 5: x = 4.
- B — 5. Subtract 4: 3x = 15. Divide by 3: x = 5.
- B — 21. Add 2: x/3 = 7. Multiply by 3: x = 21.
- B — 4. Add 6: 4x = 16. Divide by 4: x = 4.
- B — 5. Divide by 2: x + 3 = 8. Subtract 3: x = 5.
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