4e^3x+21=5

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Solution for 4e^3x+21=5 equation:


Simplifying
4e3x + 21 = 5

Reorder the terms:
21 + 4e3x = 5

Solving
21 + 4e3x = 5

Solving for variable 'e'.

Move all terms containing e to the left, all other terms to the right.

Add '-21' to each side of the equation.
21 + -21 + 4e3x = 5 + -21

Combine like terms: 21 + -21 = 0
0 + 4e3x = 5 + -21
4e3x = 5 + -21

Combine like terms: 5 + -21 = -16
4e3x = -16

Divide each side by '4x'.
e3 = -4x-1

Simplifying
e3 = -4x-1

Combine like terms: -4x-1 + 4x-1 = 0
e3 + 4x-1 = 0

Factor out the Greatest Common Factor (GCF), 'x-1'.
x-1(e3x + 4) = 0

Subproblem 1

Set the factor 'x-1' equal to zero and attempt to solve: Simplifying x-1 = 0 Solving x-1 = 0 Move all terms containing e to the left, all other terms to the right. Add '-1x-1' to each side of the equation. x-1 + -1x-1 = 0 + -1x-1 Remove the zero: 0 = -1x-1 Simplifying 0 = -1x-1 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(e3x + 4)' equal to zero and attempt to solve: Simplifying e3x + 4 = 0 Reorder the terms: 4 + e3x = 0 Solving 4 + e3x = 0 Move all terms containing e to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + e3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + e3x = 0 + -4 e3x = 0 + -4 Combine like terms: 0 + -4 = -4 e3x = -4 Divide each side by 'x'. e3 = -4x-1 Simplifying e3 = -4x-1 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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