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You calculate a log, you do not solve a log!

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Q: How do you solve a log?
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How do you solve log x - 2?

You cannot solve log x- 2 unless (i) log x - 2 is equal to some number or (ii) x is equal to some number.


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You have to use logarithms (logs).Here are a few handy tools:If [ C = D ], then [ log(C) = log(D) ]log(AB) = log(A) + log(B)log(A/B) = log(A) - log(B)log(Np) = p times log(N)


Solve Log f plus log 0.1 equals 6?

log(f) + log(0.1) = 6 So log(f*0.1) = 6 so f*0.1 = 106 so f = 107


How do you solve log x3?

You can't solve this since it isn't an equation.There is also an ambiguity (it's hard to write math on a typewriter keyboard) - are we talking about log(x3) or maybe logx(3)?Restate the question: Simplify log(x3)Answer: 3log(x)You could explain this by saying: log(x3) = log[(x)(x)(x)] = logx + logx + logx = 3logx. The general rule is log(xn) = nlogx.


How do you solve 5.167 equals log Kf How to find the value of Kf?

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How do you solve logx minus 3 plus log 4 equals log x?

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How do you solve k equals log4 91.8?

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How do you solve log base16 8?

You divide log 8 / log 16. Calculate the logarithm in any base, but use the same base for both - for example, ln 8 / ln 16.


How do you solve 3 to the power of negative 2x plus 2 equals 81?

3^(-2x + 2) = 81? log(3^(-2x + 2)) = log(81) (-2x+2)log(3) = log(81) -2x = log(81)/log(3) - 2 x = (-1/2)(log(81)/log(3)) + 1


How do you solve for x.log10x equals 4?

log(10x) = 410x = 104x = 103 = 1,000


How do you solve logarithmic simultaneous equations?

That would depend a lot on the specific equations. Often the following tricks can help: (a) Take antilogarithms to get rid of the logarithms. (b) Use the properties of logarithms, especially: log(ab) = log a + log b; log(a/b) = log a - log b; log ab = b log a. (These properties work for logarithms in any base.)