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 Skip Navigation LinksMath Help > Math Puzzles > How Many Solutions?

How Many Solutions?

1. Unique Solution: For which real numbers, a, does the equation

a 3x + 3-x = 3

have a unique solution?

Source: Crux Mathematica, April 2002, from a Finnish High School math contest.

2. Two Solutions: For what values of m does sqrt(x-5)=mx+2 have two solutions?

Source: unknown

Click here for the answer.

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