How do you solve e^(4-2x) = 45e4−2x=45? Precalculus Solving Exponential and Logarithmic Equations Logarithmic Models 1 Answer JustMe314 Aug 11, 2018 e^{4-2x}=45e4−2x=45 ln(e^{4-2x})=ln 45ln(e4−2x)=ln45 4-2x=ln454−2x=ln45 -2x=ln45-4−2x=ln45−4 2x=4-ln452x=4−ln45 x=\frac{4-ln45}{2}x=4−ln452 Answer link Related questions What is a logarithmic model? How do I use a logarithmic model to solve applications? What is the advantage of a logarithmic model? How does the Richter scale measure magnitude? What is the range of the Richter scale? How do you solve 9^(x-4)=819x−4=81? How do you solve logx+log(x+15)=2logx+log(x+15)=2? How do you solve the equation 2 log4(x + 7)-log4(16) = 22log4(x+7)−log4(16)=2? How do you solve 2 log x^4 = 162logx4=16? How do you solve 2+log_3(2x+5)-log_3x=42+log3(2x+5)−log3x=4? See all questions in Logarithmic Models Impact of this question 1867 views around the world You can reuse this answer Creative Commons License