Question 60909
{{{18.5 * (10-n)/n=18.5}}}

Divide both sides of the equation by 18.5.
Then, {{{(10-n)/n = 1}}}
Multiply both sides by n.
Then, {{{10 - n = n }}}
Add n to both sides.
Then, {{{10 = 2n}}} and {{{n = 5}}}