Answer:
x = - 13/10
Step-by-step explanation:
4^(4x+1) = (1/64)^(2x+4)
4^(4x+1) = (1/4^3)^(2x+4)
4^(4x+1) = (4^-3)^(2x+4)
4^(4x+1) = 4^(-6x - 12)
4x + 1 = - 6x - 12
10x = - 13
x = -13/10
