Answer:
-⅔
Step-by-step explanation:
8^x = 4^(-1)
2^3x = 2^(-2)
3x = -2
x = -⅔
1/32
Step 1: Divide both sides by 8
8x = 1/4
8x / 8 = 1/4 / 8
x = 1/32
Answer: x = 1/32