solve:

Question

2^7-x = 1/2

*show all steps please !

Answer 1

do you mean

2^(7-x) = 1/2 ????????

2^(7-x) = 2^-1
7 - x = -1
x = 8

OR

(7-x) log 2 = log .5

(7-x) = -1 again :)

Answer 2

yeahh sorry
& thank you :)