Solve for x 1+2e^(x+1)=9

Solve for x 1+2e^(x+1)=9
Move all terms not containing to the right side of the equation.
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Subtract from both sides of the equation.
Subtract from .
Divide each term by and simplify.
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Divide each term in by .
Cancel the common factor of .
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Cancel the common factor.
Divide by .
Divide by .
Take the natural logarithm of both sides of the equation to remove the variable from the exponent.
Expand the left side.
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Expand by moving outside the logarithm.
The natural logarithm of is .
Multiply by .
Subtract from both sides of the equation.
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
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Name

Name one hundred eighty-five million six hundred twenty-nine thousand nine hundred forty-four

Interesting facts

  • 185629944 has 32 divisors, whose sum is 835334856
  • The reverse of 185629944 is 449926581
  • Previous prime number is 3

Basic properties

  • Is Prime? no
  • Number parity even
  • Number length 9
  • Sum of Digits 48
  • Digital Root 3

Name

Name two billion forty-two million six hundred thirty-nine thousand three hundred ninety-seven

Interesting facts

  • 2042639397 has 16 divisors, whose sum is 3028553280
  • The reverse of 2042639397 is 7939362402
  • Previous prime number is 1277

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 10
  • Sum of Digits 45
  • Digital Root 9

Name

Name two billion one hundred thirty-seven million seven hundred nine thousand three hundred eleven

Interesting facts

  • 2137709311 has 4 divisors, whose sum is 2141506872
  • The reverse of 2137709311 is 1139077312
  • Previous prime number is 563

Basic properties

  • Is Prime? no
  • Number parity odd
  • Number length 10
  • Sum of Digits 34
  • Digital Root 7