Question 621690
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
{{{(9a)/(2b)+6=4a}}}
{{{6 = 4a -(9a)/(2b)}}}
{{{6 = a((4) -( 9)/(2b)))}}}
{{{6 = a(8b -9)/(2b)))}}}
{{{12b/(8b-9) = a}}}