Question 956814

log5 (x-10)-log5 3=2
<pre>{{{log (5, (x - 10)) - log (5, 3) = 2}}}
{{{log (5, (x - 10)/3) = 2}}} ---- Logarithmic form
{{{(x - 10)/3 = 5^2}}} ------- Exponential form
{{{(x - 10)/3 = 25}}}
x - 10 = 75 ------- Cross-multiplying
x = 75 + 10, or {{{highlight_green(85)}}}