Ln(4 - 4x) = -4 Solve each equation for x. (Enter an exact answer.)
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Ln(4 - 4x) = -4 Solve each equation for x. (Enter an exact answer.)

[From: ] [author: ] [Date: 11-09-05] [Hit: ]
-42 to the power of 9, divided by the square root of pi, multiplied by the speed of light is equal to X(29485032) - (4304690824690). If you switch to Scientific Notation to make it shorter and easier to understand that would be X(2.9 x 10 to the power of 7) - (4.3 x 10 to the power of 12).......
Can anyone answer this question please?

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Take both sides to the e power.

ln(4 - 4x) = -4
e^[ln(4 - 4x)] = e^-4
4 - 4x = e^-4
-4x = e^-4 - 4
x = (e^-4 - 4)/-4
x = 0.995421

Cheers!

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42 to the power of 9, divided by the square root of pi, multiplied by the speed of light is equal to X(29485032) - (4304690824690). If you switch to Scientific Notation to make it shorter and easier to understand that would be X(2.9 x 10 to the power of 7) - (4.3 x 10 to the power of 12). Therefore, 2.9 x-10-to-the-power-of-7X - 4.3 x-10-to-the-power-of-12.

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just multiply it out
4ln - 4lnx = - 4
so 4inx = 4ln + 4
therefore our little x = 4( ln + 1 )/ 4ln
= (ln + 1)/ln
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