Algebra practice question

Answer: 4

Subtract 1: 2x = 8. Divide by 2: x = 4.

Common wrong answers

If you answered 5

5 comes from 2x = 10, adding 1 instead of subtracting.

If you answered 8

8 is 2x, before dividing.

If you answered 4.5

4.5 is 9 ÷ 2, forgetting to subtract 1 first.

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