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Formulaic Properties


Define a * b = 2a + b. Find values of x, y, and z, so that (x * y) * z = 18


 Extensions

Provide an example using values x, y, and z, that would illustrate the associative property. Give another example that would illustrate the commutative property.

(Source: Adapted from Mathematics Teaching in the Middle School, Jan 1997)



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