Solve for xxx: 4x=8x−14^x = 8^{x-1}4x=8x−1.
x=3x = 3x=3
x=2x = 2x=2
22x=23(x−1)2^{2x} = 2^{3(x-1)}22x=23(x−1)
x=1.5x = 1.5x=1.5