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5 votes
If 3220 = 8+7, what is the value of c?
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User Michael
by
3.8k points

1 Answer

5 votes

Answer:

c = 3

Explanation:


32^(2c) = 8^(c + 7)


(2^5)^(2c) = (2^3)^(c + 7)


2^(10c) = 2^(3c + 21)


10c = 3c + 21


7c = 21


c = 3

User VoidPointer
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4.5k points