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Remember to put linear equations with variables x and y.
for example:
2x+y=8
x+3y=14
| x+y=60;x+5y=4.40 | | x+y=60;x+5y=440 | | x+y=60;x+2y=84 | | 2x+y=16;x+y=10 | | 2x+5y=58;2x+3y=46 | | 3x+4=14;x+2y=13 | | 3y-4x=-14;4x+2y=24 | | -4x+10y=-12;4x-2y=4 | | y-3x=10;-4x-4=y | | -2x+5y=-14;3x-10y=26 | | 5x-4y=23;2x-8y=22 | | 2x-10y=-20;-6x+5y=-15 | | -3y+17=2x;8x-y=16 | | 2x=-3y+17;8x-y+16 | | 2x+4y=5;y=5-3x | | x+5y=3;6x-5y=4 | | -4x-2y=4;4y=-8x-8 | | 6x+4y=8;y=5-3x | | x+5y=5;5x-15y=1 | | 4x+y=7;3x-y=7 | | x+y=96;121x+294y=20,266 | | r+s=94;121r+294s=20266 | | x+y=94;121x+294y=20266 | | x^2+y^2=12;y^2-2x^2=6 | | 9x+2y=-9;x=78-9y | | 3/2x+7/2y=-20;5x+3/4y=-23 | | 3x+y=1;y=1-3x | | 0.2x=0.1y-1.5;2x-y=8 | | 10x+3y=12;5x+8y=32 | | 2x+5y=19;x+4y=-4 | | y=-x+1;x+y=-1/4 | | 1.7x+1.8y=1.2;0.8x+0.3y=3.3 |