SOLUTION: Solve ln(5x + 7) = 8. Round to the nearest thousandth.

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Question 690589: Solve ln(5x + 7) = 8. Round to the nearest thousandth.
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

ln%285x+%2B+7%29+=+8......we can replace 8 with ln%28e%5E8%29

ln%285x+%2B+7%29+=+ln%28e%5E8%29
=>
5x+%2B+7+=+e%5E8
5x+=+e%5E8-7
x+=+%28e%5E8-7%29%2F5
x+=%281%2F5%29+%28e%5E8-7%29..............e%5E8=2980.957987
x+=%281%2F5%29+%282980.957987-7%29
x+=%281%2F5%29+%282973.957987%29
x+=594.792