Question 1000483
solve each equation by addition method 
x/2+y/4=1
-x/4-y/8=1
<pre>Simply multiply each equation by its LCD
   {{{x/2 + y/4 = 1}}} -------- eq (i)
{{{(- x)/4 - y/8 = 1}}} -------- eq (ii)
  2x + y = 4 ----- Multiplying eq (i) by LCD, 4
- 2x - y = 8 ----- Multiplying eq (ii) by LCD, 8
 {{{0 + 0 <> 12}}} ------> False, so NO SOLUTION