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Remember to put linear equations with variables x and y.
for example:
2x+y=8
x+3y=14
| x=8y+2;x=6y+4 | | x+2y=-1;y=-2x-8 | | 2x-y=3;x+5y=14 | | 2x+y=10;4x+2y=20 | | (x+3)2=y;(-2x-6)2 | | 100x+80y=110;85x+70y=95 | | -x+y=-8;3x-5y=36 | | x+y=21;4x+2y=60 | | x+5y=5;6x-10y=6 | | a=3b-4;a+b=16 | | 2x+3y=0;8x+2=12y | | 4x=7+9y;-6/5x+y=-53/5 | | 4x=2+2y;-5/4x+y=41/4 | | 3x+0y+12=0;3x+12+0 | | 5x=41-y;9x=76+2y | | x+y=-6;2x-5y=-5 | | 3x+y=3;-5x+5y=-1 | | 5x-6y=-7;2x+6y=-7 | | -3x-y=6;-4x-3y=-7 | | 6x-6y=6;-x-2y=9 | | -x-3y=-1;y=-x-3 | | -3x+5y=29;-3x+6y=39 | | 4x-3y=45;5x+7y=24 | | 2x-y=10;y=-4x+2 | | 4x^2+y=3;-x-y=11 | | 3x+2y=6;-6x+9y=0 | | 3x-2y-7=0;5x+y-3=0 | | -x+2x+2;y=-5/2x-1 | | 12x-8y=0;x+y=25 | | 4x+3y=3/2;3x-2y=-19/2 | | 7x-y=380;24x+19y=2200 | | 3x-2y=5;4x-5y=-26 |