Question

2^x+2+2^x-1=9 value of x​

Answer 1

Answer:

x = 2

Step-by-step explanation:

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

2×2^x + 2 - 1 = 9

2×2^x + 1 = 9

2×2^x = 9 - 1

2×2^x = 8

2^x = 8/2

2^x = 4

× = square root of 4

x = 2