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Remember to put linear equations with variables x and y.
for example:
2x+y=8
x+3y=14
| -9=x-3y;-2x+6=6y | | x^2+4x+6y+5=16;2x+3y=-7 | | y=x^2-x-12;y=6x+6 | | 0.04x-0.01y=1;0.28x+0.25y=11.4 | | -5x+4y=8;-10x+8y=0 | | 8y-y=11;x+y=7 | | 63x-9y=45;y=7x+5 | | 15x-20y=7;5y=-3+10x | | 9x+8y=-13;x=3-2y | | 4x+y=8;y=4x | | y=2x-2;5x+y=5 | | x-2y=-4;x+2y=8 | | (x+5)-2;(4x-1)=0 | | 4x^2+20X+9=0;-4x^2+20X-9=0 | | 5x+3y=-5;-3x-2y=3 | | 5x=10+2y;-6/5x+y=27/5 | | 3x+2y=0;15x+14=7y | | 3x-5y=1;5x+3y=47 | | x+y=5;x+y=-4 | | 4x-y=21;x+5y=42 | | 5x-y=11;6y=5x-41 | | x+y=14;6x-y=28 | | 0.1x+0.8y=-4.2;0.3x-0.5y=4.8 | | 1/5x+1/2y=9/5;1/5x+3y=59/5 | | 4x-5y=-26;3x-2y=5 | | 32x-28y=16;8x=7y+4 | | 15x-10y=1;15y=1+10x | | x=7y-5;-2x+14y=10 | | 9x+2y=-15;x=45-8y | | a-1.2b=-3;0.2b | | y=5x+32;y=-4x-22 | | y=6x+13;y=2x+1 |