Guest Session: 1 Question Remaining.
Create Account
to save progress.
Login
Exponents & Radicals
medium
0:00.0
Solve for
x
x
x
:
2
x
−
1
=
1
/
2
2^{x-1} = 1/2
2
x
−
1
=
1/2
A
0
B
1
C
−
1
-1
−
1
D
2
Submit Answer