If it's not what You are looking for type in the system of equations solver your own equations and let us solve it.
Remember to put linear equations with variables x and y.
for example:
2x+y=8
x+3y=14
| 2x-y=3;4x+2y=5 | | 2x-y=3;4x+(-5/6)y=5 | | 2b+a=7;a-b=4 | | x+y=18;4x+y=27 | | 2x+5y=14;5x-6y=0 | | 4x+10y=200;6x+5y=200 | | -5x+3y=3;-20x+12y=0 | | -7x-14y=8;x+2y=15 | | 2x+4y=-4;x+2y=-2 | | X+y-6=0;X-y-8=0 | | 4x+2y=147;2x+2y=77 | | 5x+2y=147;2x+2y=77 | | 8x+11y=-4;2x-3y=22 | | y=2x-5;6x-y=-3 | | 3s+2t=13;4s-6t=13 | | 6x+6y=-6;5x+y=-13 | | 2x+y=20;6x-5y=12 | | y=2x+20;6x-5y=12 | | 1/3x+1/2y=2/3;1/3x+3y=32/2 | | 2x+2y=4;y=5-7x | | 2x+3y=6.25;4x+3y=10.25 | | 2+3x;9+4x | | 5/2x-9/2y=9/2;8/3y-4/3x=-16/6 | | 5x+3y=9;15x+9y=36 | | 8x-y=66;7x-4y=48 | | 5x+y=7;y=2x | | 1/2x+1/3y=-5/6;1/2x+3y=9/2 | | 5x+7y=7;x=17-4y | | 15x-20y=-1;10y=-1+15x | | 72x-8y=72;y=9x+9 | | 8x+5y=-36;x=5-3y | | 1/2x+1/5y=-11/10;1/2x+3y=9/2 |