Solve for xxx in the equation 9x−1=272x9^{x-1} = 27^{2x}9x−1=272x
x=−24x = -\frac{2}{4}x=−42
x=−12x = -\frac{1}{2}x=−21
x=14x = \frac{1}{4}x=41
x=−23x = -\frac{2}{3}x=−32