3 years ago

128= 4^2x times 2^x What is x?

Mathematics

1 answer:

algol [13]3 years ago

3 0

Answer:

x=7/5

Step-by-step explanation:

We can write it in exponential form

128= 2^2*2x * 2^x

2^4x+x=5x

2^5x=128

2^5x=2^7

5x=7

x=7/5

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