How do you solve 27^(x+2)=3? Precalculus Solving Exponential and Logarithmic Equations Logarithmic Models 1 Answer Don't Memorise May 23, 2015 27^(x+2)=3 27 can be written as (3)^3 the expression now becomes: (3)^(3.(x+2)) = (3)^1 equating exponents: 3.(x+2) = 1 3x+6 = 1 x= -5/3 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)=81? How do you solve logx+log(x+15)=2? How do you solve the equation 2 log4(x + 7)-log4(16) = 2? How do you solve 2 log x^4 = 16? How do you solve 2+log_3(2x+5)-log_3x=4? See all questions in Logarithmic Models Impact of this question 1898 views around the world You can reuse this answer Creative Commons License