Thursday

December 18, 2014

December 18, 2014

Posted by **kristina** on Sunday, December 2, 2012 at 8:53pm.

log(5x+7)=1+log(x-9)

- math;SOS -
**Reiny**, Sunday, December 2, 2012 at 9:39pmlog(5x+7) - log(x-9) = 1 , condition: x > 9

log [ (5x+7)/(x-9) ] = 1

(5x+7)/(x-9 = 10^1

10x - 90 = 5x + 7

5x =97

x = 97/5 = 19.4

**Answer this Question**

**Related Questions**

calculus - Please help me solve this equation. log[2](3)+log[2](x)=log[2](5)+log...

algebra homework - please check my answers. Solve the logarithmic equation. Be ...

Re: Algebra II - How to solve Log (9x+5) - Log ((x^2)-1) = 1/2 16 16 (The 16 is...

math - Logarithm!!! Select all of the following that are true statements: (a) ...

math(Please help) - 1) use the properties of logarithms to simplify the ...

math - solve for x without using a calculator 5^(x+1) = 25 i know that x would ...

Algebra-Please check - Write y = 10^(x) as a logarithmic function Choices are ...

math - solve the logarithmic equation. log(5x+7)=1+log(x-9)

Logs. - Can you please help me with the following log. problems? thanxs! Solve ...

Math Help Please - Which of the following expressions is equal to log (x sqrt-y...