Question

If 2^x+2 + 2^x-1 =9. Find the value of x​

Answer 1

Answer:

X=2

Step-by-step explanation:

2^x+2^x+2-1=9

2^x+2^x=8

2^x+2^x=4+4

2^x+2^x=2^2+2^2

compare

2^x=2^2

base is same

X=2