Step-by-step explanation:

Answer:
x = 80
Step-by-step explanation:
9+1=10 so x/8 must equal 10.
80/8 = 10 and subract by 9 = 1
Step-by-step explanation:
to simplify a power of a power, you multiply the exponents, keeping the base the same. For example, (2power cube )power 5 =2power 15.
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Answer: 15 + 2x
Step-by-step explanation:
5b + 2x
5 (3) + 2x
15 + 2x
I think I'm right so I hope it helped!!