{4 y - x = 13 |
116 y - 2 x = 13 |
{-(2 x) + 116 y = 13 |
-x + 4 y = 13 |
{-(2 x) + 116 y = 13 |
0 x - 54 y = 13/2 |
{-(2 x) + 116 y = 13 |
0 x - 108 y = 13 |
{-(2 x) + 116 y = 13 |
0 x+y = -13/108 |
{-(2 x)+0 y = 728/27 |
0 x+y = -13/108 |
{x+0 y = -364/27 |
0 x+y = -13/108 |
x = -364/27
y = -13/108
