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Solve for the exact value of 
x.

3ln(7x-6)+19=31
Answer:

Solve for the exact value of x x .\newline3ln(7x6)+19=31 3 \ln (7 x-6)+19=31 \newlineAnswer:

Full solution

Q. Solve for the exact value of x x .\newline3ln(7x6)+19=31 3 \ln (7 x-6)+19=31 \newlineAnswer:
  1. Isolate natural logarithm: First, we need to isolate the natural logarithm term on one side of the equation.\newline3ln(7x6)+19=313\ln(7x-6) + 19 = 31\newlineSubtract 1919 from both sides to get the natural logarithm by itself.\newline3ln(7x6)=31193\ln(7x-6) = 31 - 19\newline3ln(7x6)=123\ln(7x-6) = 12
  2. Divide by 33: Next, we divide both sides by 33 to solve for the natural logarithm of (7x6)(7x-6).3ln(7x6)3=123\frac{3\ln(7x-6)}{3} = \frac{12}{3}ln(7x6)=4\ln(7x-6) = 4
  3. Exponentiate both sides: Now, we will exponentiate both sides to remove the natural logarithm and solve for the expression inside it.\newlineeln(7x6)=e4e^{\ln(7x-6)} = e^4\newline7x6=e47x - 6 = e^4
  4. Add 66: We then add 66 to both sides to isolate the term with xx.\newline7x6+6=e4+67x - 6 + 6 = e^4 + 6\newline7x=e4+67x = e^4 + 6
  5. Divide by 77: Finally, we divide both sides by 77 to solve for x.\newline7x7=e4+67\frac{7x}{7} = \frac{e^4 + 6}{7}\newlinex=e4+67x = \frac{e^4 + 6}{7}

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