$${{\mathtt{5}}}^{\left({\mathtt{x}}{\mathtt{\,\small\textbf+\,}}{\mathtt{1}}\right)}{\mathtt{\,\small\textbf+\,}}{\mathtt{5}}{\mathtt{\,\times\,}}{{\mathtt{2}}}^{\left({\mathtt{x}}{\mathtt{\,-\,}}{\mathtt{2}}\right)} = {\mathtt{104}}$$

Guest Aug 15, 2015

#1**+10 **

This would be a difficult one to solve, algebraically.....here's a graph of the solution......

https://www.desmos.com/calculator/ry6ssblibf

Desmos gives the solution as x = 1.858 [approximately]

[Thanks, Alan, for spotting my earlier mistake in typing in the incorrect function.......!!!! ]

CPhill
Aug 15, 2015

#3**+5 **

CONTINUED HERE

**http://web2.0calc.com/questions/5-x-1-5-2-x-2-104-x-5**

ANON - PLEASE DO NOT ASKE QUESTIONS TWICE LIKE THIS.

IT CAUSES CONFUSION AND WASTES ANSWERERS TIME.

IF YOUR QUESTION HAS FALLEN OFF THE FIRST PAGE (or even just a fair way back in the queue) THEN YOU CAN MAKE A NEW POST THAT GIVES THE ADDRESS OF THE OLD POST!

Most times you will get an answer quickly if you do this. :)

Melody
Aug 16, 2015