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Algebra Basics
· Examples✏️ Worked Examples — Step by Step
E1
EasySolve: 4x − 7 = 17
💡 Add 7, divide by 4.
👁 Show Solution
4x = 24 → x = 6. ✅ Answer: x = 6
✅6
E2
MediumSolve: 3(x + 2) = 21
💡 Distribute or divide first.
👁 Show Solution
x + 2 = 7 → x = 5. ✅ Answer: x = 5
✅5
E3
ChallengingQuadratic: x² − 7x + 12 = 0
💡 Factor into (x − a)(x − b).
👁 Show Solution
Find two numbers multiplying to 12 and adding to 7: 3 and 4. (x − 3)(x − 4) = 0 → x = 3 or 4. ✅ Answer: x = 3 or x = 4
✅3 and 4