Question
Solve
log base 2 of (3x-1) - log base 2 of x = -2
log base 2 of (3x-1) - log base 2 of x = -2
Answers
Reiny
then
log<sub>2</sub> ((3x-1)/x) = -2
2^-2 = (3x-1)/x
1/4 = (3x-1)/x
12x - 4 = x
11x = 4
x = 4/11
log<sub>2</sub> ((3x-1)/x) = -2
2^-2 = (3x-1)/x
1/4 = (3x-1)/x
12x - 4 = x
11x = 4
x = 4/11