Question

2^x + 2^(x-1) = 24.
solve for x

Answer 1

let 2^(x-1) =a

2^x = 2^(x-1) * 2=2a

2a+a =24

a =24/3 =8=2³

2^(x-1) = 2³

x-1 =3

x =4

Answer 2

Answer:

x=4

Step-by-step explanation:

pls mark me as brainliest