Question 633491
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
2x+5y=29
<u>2x+3y=23</u>   |Subtract 2nd Eq from 1st to eliminate x
  2y = 6
   y = 3  and x = 7  {{{x = (23-3*3)/2 = 14/2}}}

and...
 {{{2*7 + 5*3 = 29}}}