Question 530945
1/3 = 3^(-1) ___ 9 = 3^2


[3^(-1)]^(2x + 6) = (3^2)^(x - 4)


3^(-2x - 6) = 3^(2x - 8)


-2x - 6 = 2x - 8 ___ 2 = 4x