Algebra practice question

Answer: 4

3n + 2(2) = 16 gives 3n = 12, so n = 4.

Common wrong answers

If you answered 6

6 subtracts 2 once instead of 2 × 2.

If you answered 12

12 is the cost of all three notebooks.

If you answered 5.33

5.33 divides 16 by 3, forgetting the pens.

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