Thursday

January 29, 2015

January 29, 2015

Posted by **Amber** on Sunday, May 3, 2009 at 12:30am.

log2 (x+5)=4+log2 (x-1)

- Pre Cal -
**drwls**, Sunday, May 3, 2009 at 12:42amlog2[(x+5)/(x-1)] = 4

2^4 = 16 = (x+5)/(x-1)

16x - 16 = x + 5

15x = 21

x = 7/5

**Answer this Question**

**Related Questions**

math - solve the equation log2(x+4)-log4x=2 the 2 and 4 are lower than the g ...

Algebra 2 - solve log2(3x-1)-log2(x-1)=log2(x+1) i have absolutely no idea how ...

Math - Logarithmic - Solve: 2^(5x-6) = 7 My work: log^(5x-6) = log7 5x - 6(log2...

Logarithms - I'm working on logarithmic equations and I'm stuck on how my book ...

math/algebra - solve the equation log2(3x-2) - log2 (x-5)=4

Algebra - Solve the logarithmic equation. log2(4x)-log2(x+3)=1

Algebra II - Solve log2(7x-3)>= log2(x+12) My work: 6x=15 x=15/6 x-5/2 so my ...

add maths - Given that log2 3=h and log2 5=k, express log2 0.45 in terms of h ...

math30 - 1.Use the laws of logarithms to express log2 (6) – log2 (3) + 2log2 (...

Math Algebra 2 - How do I put log in a TI-84 calculator. #1.Express the ...