Exam-style question
Try this first
Simplify the expression: 4a + 5ab - 2 + 3a - 7ab + 6.
- A.7a - 2ab + 4
- B.7a - 2ab + 8
- C.7a - 12ab + 4
- D.7a - 12ab + 8
Answer and explanation
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Maths method check
- Topic focus: Algebraic manipulation.
- Question style: cambridge_mcq.
- Reasoning demand: reasoning.
- Check the operation, notation, units, and final answer form against the question before moving on.
Common mistake
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