Question 691579
 e^(5x-1)+3=4
Subtract 3 from both sides: 
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e^(5x-1) = 1
Take the natural log of both sides
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5x-1 = ln(1)
Evaluate ln(1)
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5x-1 = 0
Add 1 to both sides
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5x = 1
Divide both sides by 5:
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x = 1/5
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Cheers,
Stan H.