# Questions on Algebra: Logarithm answered by real tutors!

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 Algebra: Logarithm Solvers Lessons Answers archive Quiz In Depth

 Question 581652: Using the exponential correlation, how do I solve for x. Round to three decimal places. 1)log(4x+10)=3 2)1/2 log6 16x +5=8 3)In(x+4)=-2 Click here to see answer by lwsshak3(6765)

 Question 581755: I've forgotten how to solve simple logorithims.. haha 3. Find all real solutions to the following: a) log2(x 􀀀 2) + log2(x + 1) = log2 10 Click here to see answer by josmiceli(9819)

 Question 581756: 3. Find all real solutions to the following: a) log2(x - 2) + log2(x + 1) = log2 10 Click here to see answer by nerdybill(7011)

 Question 582329: How do you condense log base 4 of 3+ 3 log base 4 of 2 Click here to see answer by scott8148(6628)

 Question 582406: how we will find that ph=-log[h+] if ph=7 Click here to see answer by Earlsdon(6294)

 Question 582865: Write the expression as a sum and/or difference of logarithms. Express powers as factors. I'm lost in this problem, can anyone help? ln [ ( x - 4 )^2 / x^2 - 1 ]^2/3 x>4 Click here to see answer by lwsshak3(6765)

 Question 582495: Solve the logarithmic equation algebraically. Approximate the result to three decimal places. (If there is no solution, enter NO SOLUTION.) ln x + ln(x + 2) = 1 Click here to see answer by lwsshak3(6765)

 Question 583204: Write the expression as a single logarithm or single natural logarithm? 1)1/3 log4 27-(2log4 6- 1/2 log4 81) 2)log3 4- log3 2) 3)2ln 8-ln 3+ln x 4)ln a-2ln b+ 1/2 ln c Click here to see answer by solver91311(17077)

 Question 583478: 1/2(log6 + log 3 - 3log2) expressed as a single logarithm and evaluated. Click here to see answer by lwsshak3(6765)

 Question 584061: log(x-2)+log(x+2)-.5 log(x^2+4) how to rewrite this logarithm in single form? Click here to see answer by solver91311(17077)
 Question 584061: log(x-2)+log(x+2)-.5 log(x^2+4) how to rewrite this logarithm in single form? Click here to see answer by josmiceli(9819)

 Question 584131: I'm so confused, is there anyone that can help. Solve: 5^2x-5∙5^x+6=0 Click here to see answer by lwsshak3(6765)

 Question 584450: log(6)x+log(6)(x+16)=2 I dont know how to solve this, and im supposed to check for extraneous solutions Click here to see answer by scott8148(6628)

 Question 584722: find the value(s) of x if 2log3x = log3 (x+6) Click here to see answer by Schaman_Dempster(26)

 Question 584741: how to get the solution of this equation. 2^2x+2^x-1=0 Click here to see answer by Theo(3504)

 Question 584768: what is the answer to log 3z equal 2 ? what is the answer to ln x equal 2 ? whats the answer to 3 ln 5x equal 10 ? whats the answer to ln square root x-8 equal 5 ? Click here to see answer by nerdybill(7011)

 Question 584826: Solve 2^6x+5=31 I need to know the step by step instructions as everything I do seems to be wrong. I need help on this ASAP. Thanks This need to go to 4 decimal places Click here to see answer by richwmiller(9144)

 Question 584720: change ln48 to base 10 and hence evaluate. Click here to see answer by lwsshak3(6765)

 Question 585077: lnx-3ln3=3 ln3x=6 lne^2/2 ln(2x-1)=0 I just don't understand how to work these out. I'd appreciate you help. Click here to see answer by Alan3354(31538)

 Question 585261: (Solving Natural Logarithms to solve Exponential Equations)Give an exact answer and then an answer rounded to the nearest thousandth. Problem: 3^x-1=4^2x+3 Click here to see answer by nerdybill(7011)

 Question 585346: What properties do you need to use to write expression as a single logarithm? base is 6. log6 16- log6 4 Click here to see answer by Earlsdon(6294)

 Question 585350: How do you expand the logarithm? base is 7. log7 23/4 Click here to see answer by Earlsdon(6294)

 Question 585342: how do you solve this: base is 10. log(6x-2)=3 Click here to see answer by Earlsdon(6294)

 Question 585353: how do you write the expression as a single logarithm? base is 3. log3 24 +log3 2 Click here to see answer by nerdybill(7011)

 Question 585351: how do you expand the logarithm? base is 2. log2 32x^3 Click here to see answer by nerdybill(7011)