Equations
Keep the balance — undo operations in reverse order.
Solving linear equationsUnknowns on both sidesEquations with brackets
📖 Learn
Brackets
Expand first, or divide both sides by the outside number.
Both sides
Collect x's on the side with more of them.
Check
Put your answer back in to check both sides match.
Worked example
Solve 4(x − 2) = 20
- 1Divide both sides by 4: x − 2 = 5
- 2Add 2
- 3x = 7 ✅
⭐ Practise
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