# Algebra

why is any real number a solution for the equation 8y - 30 = 4(2y - 7.5)

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1. your equation is an identity, since if you work it out you get
0 = 0 which is true

8y - 30 = 4(2y - 7.5
8y - 30 = 8y - 30
0 = 0

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posted by Reiny

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