Question 440836
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi
*[tex \LARGE \ \ \ \ \ \ log_b(x) \ = \ y \ \ \Rightarrow\ \ b^y = x]
*[tex \large\ \ nlog_bx = log_b(x^n) ]
*[tex \large\ \ log_bx + log_by = log_b(xy) ]
*[tex \large\ \ log_bx - log_by = log_b(x/y) ]
 
 *[tex \LARGE \ \ \ \ \ \ log_5(x-1) \ = \ -1 \ \ \Rightarrow\]  5^(-1) =(x-1)]
                       1/5 = x-1
                        6/5 = x