8. In this question you must show detailed reasoning. Solutions using calculator technology are not acceptable.
Solve the following equations.
- \(2 \log _ { 3 } ( x + 1 ) = 1 + \log _ { 3 } ( x + 7 )\)
- \(\log _ { y } \left( \frac { 1 } { 8 } \right) = - \frac { 3 } { 2 }\)
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