Advanced Math practice question

Answer: 5/2 or 2.5

x − 1 = 3/2 gives x = 5/2; the other root, x − 1 = −3/2, gives −1/2.

Common wrong answers

If you answered -1/2

−1/2 is the smaller solution.

If you answered 3/2

3/2 is x − 1.

If you answered 13/4

13/4 solves x − 1 = 9/4.

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