Question

Solve the equation log9(2x−1)=−1
.(1 point)

x=59


x=5


x=−49


x=0

Answer 1

log_9(2x−1) = −1 implies 2x−1 = 9^(−1) = 1/9. Thus 2x = 1 + 1/9 = 10/9, so x = 5/9. (This matches the option written as "x=59".)