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4*x^4-2*x+3;x^2-1
3/15 = 9/45
2*x^4-3*x^3-5*x+2;x^2+x
418;232
327;135
| -2z+3=-5 | | 3x^8-7x^4+4=0 | | 63y-27y= | | X^2+4x-154=0 | | 2p-3(p-2)=9 | | 1.03p-4=-2.15p+872 | | -4j+2=-14 | | 3z-2=-20 | | 62-13= | | 1/6(a-4)=1/3(2a=4) | | 3/15=9/45 | | x-8x-5=37 | | 4w-21=19 | | -7(-x+2)=-16+7x | | 2x+12y=1080 | | c-3d=2 | | -3/7h=0.35 | | 6x-6=-13+5x | | 6=-9w | | 3(c+7)=6+2c | | 14x=123-23x | | (-4)-a=(-12) | | 1764=28 | | logx=.82 | | -16t^2+64t+3=h | | m/36=5/9 | | 15=noverm | | 2.55f=17.85 | | 8x+11x-1+7x-1=180 | | 6a=-17 | | (15/y)-5 | | x*(2x)=3484800 |