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140/7 = 0
20 = 0
L <> R
| 31.5x+6y+3z=50 | | p^3-q^3/q^2-p^2 | | -(5x-6+(-4x+5+(2x-9)-14))=9 | | 9-5x=2x+1 | | 3(2x-8+15x)=15(18x-4) | | 2(x+2x)=2 | | (2x^1/4)/12x^2 | | (8/6)x^2-25x=0 | | (8/6)x^2-25x | | 1x+26=51+(-4x) | | 84t^2+84t=0 | | f(t)=28t^3+42t^2 | | 9x+42x+49-2x+28-12x=29x-3x | | -16t^2+30t+1=0 | | (x+4)(x+5)=72 | | 1/2v-1/4v*2=1/2v*2 | | 3+2x-(x+7)=3x+-6 | | sin^2-8cosx-8=0 | | 8m^4*m^7= | | 3/8-(-2f/3) | | 3+2x-(x+7)=2x+n | | 6x+8y=6x+8y | | 3+2x-(x+9)=2x+n | | -2/7,8/7 | | X(x+13)=-40 | | 90x-15-60+9x+6-90=0 | | 90x-15-60+9x+36-90=0 | | 3g+prt=g+3x | | 3r^2-12r-5=0 | | f(2)=2*2-4(2) | | -12790/185 | | -12790/180 |