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2/11-(1/7) = 0
2/11-1/7 = 0
3/77 = 0
L <> R
| 4.5x+22=20.2 | | p^2-4p=77 | | 4x-7=3.5x | | 1/4-3/10 | | 12g^2+56g-96=0 | | 0.33z-0.75z=9 | | 9+3.5=11-0.5g | | 0=x^2+10x-512 | | q^2-4q-15=81 | | 2a=a+205 | | 5=w | | 0.33z=9+0.25z | | 5+8x-13-7x=26+x-34 | | -7-6/7 | | 8w+9=7w | | 22x=222 | | 7[x+2]=7x-10 | | k^2-4k-0=21 | | -4n-1+5=-16 | | X^2=4a^2b | | 22x/222 | | E^8x-7-e^3=0 | | 3x^3-15x^2+18x= | | 10xy+2x^2-3yx-6x+7xy-x^2= | | 12z^2-2z=80 | | 4+5x*4+1-5+10=0 | | 5-1/8n=16 | | 12y^2-32y-12=0 | | 4y-4+6=32-2y | | (2+2W)4+9(W+3)= | | 0.33(0.2-1)+0.35x=0.05(3x+7)-1.44 | | 0.24+7.84=2.02 |