Question 633528
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
{{{(x/2)+(4/5)x =13 }}}  |Multiplying thru by 10 so as all denominators = 1
   5x + 8x = 130
       13x = 130,  x = 10

and...
 {{{5 + 8 = 13}}}