Question

Please find the answer

Answer 1

Answer:

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Answer 2

$(\frac{7}{8} )^{ - 8} \times ( \frac{7}{8} )^{3} = ( \frac{7}{8} ) ^{x} \\ (\frac{7}{8} )^{ - 8 + 3} = ( \frac{7}{8} ) ^{x} \\ (\frac{7}{8} )^{ - 5} = ( \frac{7}{8} ) ^{x} \\ x = - 5$