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t^2+3/t+y = 0
t^2+3*t^-1+y = 0
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x in (-oo:+oo)
| -6+2=4x+1 | | -6(7x-4)=-42x+24 | | -8z^3+32z=4z^2-16 | | 35a+27=14-8a | | -7y+wy-x=0forw | | 2x^2-4y=1 | | 13(x+1)-4(x-2)=4(x-3)+4(x-1) | | 7(x)-y=14 | | w+3=w-6 | | .2x+.25(6)=.21(x+6) | | (8+6x).2=-12-(x+4) | | 17.8=3n-1 | | 112=4(8x-4) | | 9x^2=48x-64 | | 2(x-5)=-15 | | -(4x-12)+2(6x+7)= | | 5-3y=2y+20 | | b+b-1500=5(b-1900) | | 8a-10=14 | | 6x^2-25=25x | | 28-1= | | (x+2)=2x-6 | | 5/6=h/20 | | -15y+19y-2y= | | x+(x+2)=48+(x+4) | | -14.9-s=29.2 | | 4-7w=1-2/3(2w-5) | | 16.8(2)=x | | -0.2(tz+4)+0.6(1-cd)= | | 2/9=H/75 | | 15x=13x+2 | | 8x-(3x+6)=4-k |