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Remember to put linear equations with variables x and y.
for example:
2x+y=8
x+3y=14
| (x/2)-(y/3)=(5/6);(x/5)-(y/4)=(15/10) | | (1/3x)+(1/2y)=(-7/6);(1/3x)+4y=(7/3) | | 1/3x+1/2y=7/6;1/3x+4y=7/3 | | 1/3x+1/2y=13/6;1/3x+4y=59/3 | | y=3x+5;x+3y=15 | | 3x+8y=20;2x+y=9 | | x=6-2y;x+2y=3 | | 3a+4c=132;2a+3c=94 | | -x+16=-8;6x+16=-8 | | -70r^4+40r^3-20r^2+2r+9;-5r | | 2x+3;x-2 | | 4x+2y=1;4=5-3x | | y=8x-8;y-8x=5 | | -4x-2y=8;4y=-8x-16 | | x+3y=7;2x-3y=2 | | 4x+2y=1;y=5-3x | | 7x+2y=2;6x-2y=6 | | y=x^2+7x+15;x+y=0 | | y=x^2+2x+1;x+y=1 | | 8x+4y=-88;4x+y=24 | | 45x+30y=510;27x+20y=316 | | x-y=1;x-3y=-3 | | x+2y=3;3x-y=-5 | | y=2x-3;4x=2y+6 | | x+y=24;2x-y=-6 | | y=x-1;y=2x+2 | | 6x+3y=-15;8x-5y=7 | | x+y=5;2x+2y=10 | | 3x-2y=2;5x-5y=10 | | x+6y=-17;0.4x+0.5y=-17 | | 2y+x=4;3y-2x=13 | | X^2+y^2=41;X+y=-9 |