Answered

Welcome to Westonci.ca, your ultimate destination for finding answers to a wide range of questions from experts. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

3^x - 3^(x-1) = 18 then 4^x is equal to

Sagot :

[tex]3^x-3^{x-1}=18\\\\3^x-3^x\cdot3^{-1}=18\\\\3^x-\frac{1}{3}\cdot3^x=18\\\\\frac{2}{3}\cdot3^x=18\ \ \ /\cdot\frac{3}{2}\\\\3^x=27\\\\3^x=3^3\iff x=3\\------------------\\4^x=4^3=64\leftarrow answer[/tex]
konrad509
[tex] 3^x - 3^{x-1} = 18\\ 3^x-3^x\cdot3^{-1}=18\\ 3^x(1-\frac{1}{3})=18\\ 3^x\cdot\frac{2}{3}=18\\ 3^x=27\\ x=3\\\\ 4^x=4^3=64 [/tex]
Thanks for stopping by. We strive to provide the best answers for all your questions. See you again soon. Thank you for your visit. We're committed to providing you with the best information available. Return anytime for more. We're here to help at Westonci.ca. Keep visiting for the best answers to your questions.