Pregunta
Solve. Simplify your answer. \( 7 \log _{13} x=14 \) \( x=\square \) Submit
Ask by West Fernandez. in the United States
Mar 14,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
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\( x = 169 \)
Solución
Solve the equation \( 7 \log_{13}(x)=14 \).
Solve the equation by following steps:
- step0: Solve for \(x\):
\(7\log_{13}{\left(x\right)}=14\)
- step1: Find the domain:
\(7\log_{13}{\left(x\right)}=14,x>0\)
- step2: Divide both sides:
\(\frac{7\log_{13}{\left(x\right)}}{7}=\frac{14}{7}\)
- step3: Divide the numbers:
\(\log_{13}{\left(x\right)}=2\)
- step4: Convert the logarithm into exponential form:
\(x=13^{2}\)
- step5: Evaluate the power:
\(x=169\)
- step6: Check if the solution is in the defined range:
\(x=169,x>0\)
- step7: Find the intersection:
\(x=169\)
The solution to the equation \(7 \log_{13} x = 14\) is \(x = 169\).
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Extra Insights
To solve the equation \( 7 \log_{13} x = 14 \), first, we divide both sides by 7 to isolate the logarithm: \[ \log_{13} x = 2 \] Next, we can rewrite this logarithmic equation in its exponential form: \[ x = 13^2 \] Calculating that gives us: \[ x = 169 \] So, the simplified answer is: \( x = 169 \)

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