109k views
20 votes
Solve 8 = 2^x + 4.

Group of answer choices

x = −1

x = 0

x = 7

x = −4

1 Answer

12 votes

Answer:


x=2

Explanation:


8 = 2^x + 4


8-4=2^x


4=2^x


2^2=2^x


2=x


check:


2^2+4


4+4


8

User Jean Le Moignan
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