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240/420 = 0
4/7 = 0
L <> R
| 1.4=a+8/3 | | 1-3z-0.25z^2+0.75z^3=0 | | x(x-6)-72=0 | | -(p+7)=5-2(p+2) | | 1-L^2=0 | | 2x+96=174 | | 7(n-2)=5(n-8)-4 | | (x-4)(x-3)=34/33*33 | | 5+6=25+x | | 4(y+10)y=5 | | x(x-7)-60=0 | | 28=x/16 | | -3(4-4)+4x=3-7 | | S=(n-2)*180 | | -25x=425 | | 4-5/3(3a+4)=7 | | 2/1k+2=5+6/5k | | 6(m+2)+4=-(-7m+3) | | -3y-6y=9 | | 3c^2+19c+30=0 | | 6v^8x^2y^9+14x^9y^9= | | -3(w+3)=9w-3+3(2w+2) | | 6x-14=2-8x | | -6(u+1)=-6(4u-1)+4u | | 4x-=3x | | 107-5x=13x+15 | | 6/1x25/54 | | b*2/-5b-5 | | B2/-5b-5 | | B^2/-5b-5 | | 5y+140=180 | | n+12/2=8 |