Answer :

Panoyin
log(4k - 5) = log(2k - 1)
log(4k) - log(5) = log(2k) - log(1)
0.6020599913k - 0.6989700043 = 0.3010299957k - 0
0.6020599913k - 0.6989700043 = 0.3010299957k
-0.6020599913k                            -0.6020599913k
                           -0.6989700043 = -0.3010299957k
                           -0.3010299957     -0.3010299957
                              2.321928094 = k

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