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19/20-(2/7) = 0
19/20-2/7 = 0
93/140 = 0
L <> R
| 5x*2=10x | | 6x+4x+6=5x+14 | | y=5x-24 | | 2x^2-8x=120 | | -x-8=x+8 | | 4x+9y=78 | | 5x*2=237-43x | | 34x-41=4x*2 | | 34x=4x | | 4y-5=3y+1 | | 8(-3x-1)-(2x-10)=8(2x+1)-3(9x+12) | | -3y-7=y-17 | | -2b-8=5b+21.5 | | 4a-1.3=2a+13.1 | | 11x-83=7x-51 | | 5y+8=y-44 | | 48=8/3w | | 5a-6+7a-4=60-8.8 | | 3x+5+4x=8.5 | | 3x-5=7+x-4 | | -3m+m+5=0 | | x^2/(0.104-x) | | 2a+3a-9=56 | | 31/50-8/125 | | -1.9a-0.1=-2.38 | | -1.9a-0.1=-2.28 | | 3x-2=11x-19 | | 9x+4z=7+8y | | 2.5x+7=12.5 | | 0+25d=0 | | 0+25d=500 | | -12y+12=-144 |