The solution of the equation 7^{x+7} = 8^x can be expressed in the form x = \log_b 7^7. Find b.
Source: AMC 12A 2010
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Zach Marinovhttps://etonstem.com/author/zach

Zach Marinovhttps://etonstem.com/author/zach

Zach Marinovhttps://etonstem.com/author/zach

Zach Marinovhttps://etonstem.com/author/zach
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