Question

4-9×2^x+2+1=0. Please help me to solve the question please

Answer 1

x=
`log_(2) 7/9`

Explanation:

4-9×2^x+2+1=0

4-9×2^x+3=0

4+3-9×2^x=0

7-9×2^x=0

7-7-9×2^x=0-7

-9×2^x=-7

9×2^x=7

9×2^x/9=7/9

2^x=7/9

`log_(2) 2^x`=
`log_(2) 7/9`

x=
`log_(2) 7/9`