Solve for xxx: 27x−1=9x+227^{x-1} = 9^{x+2}27x−1=9x+2.
x=7x = 7x=7
x=3x = 3x=3
33x−3=32x+43^{3x-3} = 3^{2x+4}33x−3=32x+4
x=5x = 5x=5