SOLUTION: Solve 9^7x - 2 = 27. How do I do this?
Algebra.Com
Question 932818: Solve 9^7x - 2 = 27. How do I do this?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
9^(7x - 2) = 27
------
(3^2)^(7x-2) = 3^3
------
3^(14x-4) = 3^3
------
14x-4 = 3
14x = 7
x = 1/2
------------------
Cheers,
Stan H.
------------------
RELATED QUESTIONS
How do I solve this? Where do I start?... (answered by oscargut)
Solve my substitution. 7x+2y= -27 -2x+y=14. I do not understand how to answer... (answered by stanbon)
how do you solve?... (answered by Earlsdon,nerdybill)
How do you solve this algebra problem?... (answered by checkley77)
(x+9) / 2 .... how do i solve... (answered by Alan3354)
HOW DO i SOLVE THIS PROBLEM ?... (answered by edjones)
xsquared - 7x - 4 = -10
how do i solve... (answered by solver91311)
7x+3=31 how do i solve this... (answered by jim_thompson5910)
How do i solve this trinomoal... (answered by praseenakos@yahoo.com)