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-21/2.3 = 0
-9.13043478 = 0
L <> R
| 90+95+80+b+170=360 | | 24.95+0.10m=25.95 | | 5m-17m-12=0 | | 3x^2+4=-13v | | x+2x-4=180 | | sin3x/cosx=1 | | 5(u+5)=4*9 | | 3/4p-=3/8 | | sin3x/cosx | | {d}= | | log(x+25)=1log(2x-7) | | (3m+2)(m+7)=0 | | 4a+12=3a+5 | | 2-a(x)5=30 | | 2+[5-4(7+2)]+5=-24 | | 3a+12=4a-2a | | 15x-13=39-11x | | r-39=9 | | 4.905t^2+5t=15 | | -(x-2)=2x-4 | | 38-r=9 | | 1/5x^3 | | -1000+6=8 | | -2x^2+5x-52=0 | | 4x+17=14x-3 | | 5t-(-5/10)=70 | | x=6/92 | | Y-7=-4/5(x-4) | | 15p=5 | | (21x^3y^2)/(28x^8y^-5) | | -2y=3y-10 | | 16-2t=-5t-2 |