SOLUTION: 3^4x-7 = 1/9

Algebra.Com
Question 187156: 3^4x-7 = 1/9
Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!


We notice that  can be written as 
So we have 



Now  can be written as 
So we have



Now we can equate the exponents because the bases
are equal, positive, and .
So we have





Edwin
RELATED QUESTIONS

4x-9>=-1/7+8 (answered by checkley77)
log3^(4x-7)=(1/9) (answered by lwsshak3)
4x-7(3-3x)-9 (answered by jim_thompson5910)
4x-7(3-3x)-9 (answered by helpnalgebra)
4x+ 13= -9 -3(x+9);= -7 (answered by ReadingBoosters)
3(4x+1)=9-5(4x-3) (answered by rfer)
-6x+3(4x-1)=9 (answered by jim_thompson5910)
4x^1/3 - 11 =... (answered by stanbon)
9-4x=1-2(x-7) (answered by macston)