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Simplifying 21 = 7e2x Solving 21 = 7e2x Solving for variable 'e'. Move all terms containing e to the left, all other terms to the right. Add '-7e2x' to each side of the equation. 21 + -7e2x = 7e2x + -7e2x Combine like terms: 7e2x + -7e2x = 0 21 + -7e2x = 0 Add '-21' to each side of the equation. 21 + -21 + -7e2x = 0 + -21 Combine like terms: 21 + -21 = 0 0 + -7e2x = 0 + -21 -7e2x = 0 + -21 Combine like terms: 0 + -21 = -21 -7e2x = -21 Divide each side by '-7x'. e2 = 3x-1 Simplifying e2 = 3x-1 Combine like terms: 3x-1 + -3x-1 = 0 e2 + -3x-1 = 0 Factor out the Greatest Common Factor (GCF), 'x-1'. x-1(e2x + -3) = 0Subproblem 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 '(e2x + -3)' equal to zero and attempt to solve: Simplifying e2x + -3 = 0 Reorder the terms: -3 + e2x = 0 Solving -3 + e2x = 0 Move all terms containing e to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + e2x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + e2x = 0 + 3 e2x = 0 + 3 Combine like terms: 0 + 3 = 3 e2x = 3 Divide each side by 'x'. e2 = 3x-1 Simplifying e2 = 3x-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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