Questions on Algebra: Logarithm answered by real tutors!

Tutors Answer Your Questions about logarithm (FREE)

Question 305765: what is x in this logarithmic equation: log4(x+3)+log4(x-3)=2
Click here to see answer by toidayma(44)

Question 305689: How do you solve a logarithm with a fraction? ex: log 1/5 3125 = y

Click here to see answer by Fombitz(13828)

Question 306017: logx(8/9) rewrite as a ratio of common logrithmn
Click here to see answer by themathtutor2009(81)

Question 305970: 2 log 3 + log 5 - log 15
Click here to see answer by edjones(7569)

Question 305970: 2 log 3 + log 5 - log 15
Click here to see answer by Alan3354(30983)

Question 306060: how do you solve
log base 5 (2x-7)=3?
Click here to see answer by Earlsdon(6287)

Question 306181: Evaluate Logarithm
log4 256
Click here to see answer by themathtutor2009(81)

Question 306182: use the properties of logarithms to rewrite the logarithmic expression.
3 log a - 2 log b
Click here to see answer by Fombitz(13828)

Question 306778: i need help on 7.6 to the (x-1)=431 we are using logarythims to solve equations
Click here to see answer by Stitch(352)

Question 306865: I need help on a logarithm problem.
I need to Solve for X.
2ln(x)-ln(x+8/3)= ln(6)
Click here to see answer by nerdybill(6951)

Question 306917: I've been having trouble with the problem (log (x+9)) - (log (x))= 3. My teacher says we should get the answer "1/111", but I get "x+9=1000" and I'm not sure how to solve it from there. Do you by any chance know how to solve this? Thank you for your time.
Click here to see answer by solver91311(16872)

Question 306939: log2 (x+1) + log2 (x-5) = 4
Click here to see answer by solver91311(16872)

Question 306997: i need your help on logarithm, please. how do you find out the solution of the problem if it has a coefficient and an exponent? ex: 5log6^(x+1)=5
are you supposed to divide by 5 because of the coefficient? how do i figure this problem out?
Click here to see answer by ankor@dixie-net.com(15639)

Question 307156:
What is an equivalent logarithmic equation to e^x=7
Click here to see answer by Alan3354(30983)

Question 307220: What is the final answer to 2.5=e^8
Click here to see answer by Alan3354(30983)

Question 307334: on a certian street, a section having an area of 4896.7 square yards is paved at an expense of 12,642.17. what would be the expense to a property holder who pays for 356.28 square yards of the pave?
Click here to see answer by checkley77(12569)

Question 307342: find the value of the given expression 2 log 1
Click here to see answer by rapaljer(4667)

Question 307693: What is the logarithmic form of f = 18(-1/2)?
Click here to see answer by Alan3354(30983)

Question 307741: Solve the equation
3 log x = 1.5
Click here to see answer by rapaljer(4667)

Question 307745: Solve logarithmic equation.
2 log (x+1) = 5
Click here to see answer by rapaljer(4667)

Question 307744: how am i supposed to solve this:
Solve: 1/9=27^(4x-3)
Click here to see answer by rapaljer(4667)

Question 307756: Solve log (5-2x) = 0
Click here to see answer by rapaljer(4667)

Question 307850: Find the value of x if log(x-1)to the base 3 =2
Click here to see answer by vksarvepalli(154)

Question 307886: solve logarithm
2 log x = - 1
Click here to see answer by Fombitz(13828)

Question 308001: which equation is equivalent to 3log4+log6-log8 ?
a. log 8x^3/y
b. log (xy/8)^3
c. logx^3y /8
d. (logx^3y/8)
tthanks!
Click here to see answer by rapaljer(4667)

Question 308012: which equation is equivalent to 3logx+log8-logy ?
a. log 8x^3/y
b. log (xy/8)^3
c. logx^3y /8
d. (logx^3y/8)
tthanks!
Click here to see answer by rapaljer(4667)

Question 307918: evaluate log (base1/5) 0.2 = x
Click here to see answer by nyc_function(2733)

Question 308093: Evaluate log 32.5.
Click here to see answer by rapaljer(4667)

Question 308105: log2 16=x
Click here to see answer by scott8148(6628)

Question 308159: Use properties of exponents to solve:
3^(x-2)81^(x)=(1/3)^(x-3)

Im lost on this problem
Click here to see answer by Alan3354(30983)

Question 308199: log(x+2)=(logx)+ 2
Click here to see answer by edjones(7569)

Question 308168: Write the function f(x)=e^(2x)+e^(x)-6 in the form of a quadratic equation by using the appropriate substitution, and solve for x.
I did not know how to do this problem, my teacher did not explain it well enough to me.
Click here to see answer by scott8148(6628)

Question 308307: find the value of the given expressions
2log1
log(2+3)
Click here to see answer by palanisamy(496)

Question 308319: Condense into a single logarithm: 6log base of u + 2log base of v
Click here to see answer by Alan3354(30983)

Question 308494: 7^2=49
How would I write this in logarithmic form.
Click here to see answer by solver91311(16872)

Question 308618: hello .... log 8
64
Click here to see answer by rapaljer(4667)

Question 308648: log6(x-3)+log6(x-4)=-2
Click here to see answer by rapaljer(4667)

Question 308668: Ln x = -2
what is x?
Click here to see answer by Fombitz(13828)

Question 308665: 8 In (5x) =56
Click here to see answer by rapaljer(4667)

Question 308679: Log base 5 ( 8 - 7x ) = 3
what is x?
Click here to see answer by rapaljer(4667)

Question 308697: log base 3(x) + log base 3 (x+6)= 3
do I move the 3 over somewhere?
Click here to see answer by rapaljer(4667)

Question 308702: log base 2 (3x+4)- log base 2 (x)= 1
do I turn this into a fraction?
Click here to see answer by texttutoring(324)

Question 308702: log base 2 (3x+4)- log base 2 (x)= 1
do I turn this into a fraction?
Click here to see answer by rapaljer(4667)

Question 308732: solve the logarithmic olution. be sure to reject any value of x that is not in the domain of original logarithmix expression.
4In(2x)=16
Click here to see answer by rapaljer(4667)

Question 308730: solve the logarithmic solution. be sure to reject any value of x that is not in the domain of original logarithmix expression.
log7x=2
Click here to see answer by rapaljer(4667)

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