You can put this solution on YOUR website! 2^(3x - 2) = √128
2^(3x - 2)= 2^(7/2) {changed 128 to have a base of 2 and an exponent of 7/2}
3x - 2 = 7/2 {since bases are equal, set the exponents equal to each other}
3x = 11/2 {added 2 to each side}
x = 11/6 {divided each side by 3}