SOLUTION: Dear tutor, Please solve this for me. I tried but failed. Given 3^x+1 . 2^x-2 = 21, show that 6^x = 28. Hence or otherwise, find x. Reference book: New Additional Mathema

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Dear tutor, Please solve this for me. I tried but failed. Given 3^x+1 . 2^x-2 = 21, show that 6^x = 28. Hence or otherwise, find x. Reference book: New Additional Mathema      Log On


   

Question 845496: Dear tutor,
Please solve this for me. I tried but failed.
Given 3^x+1 . 2^x-2 = 21, show that 6^x = 28. Hence or otherwise, find x.
Reference book: New Additional Mathematics by Ho Soo Thong
Thanks in advance.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Does 3^(x+1)=21 also? Or does it equal something else.