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x in (-oo:+oo)
| -5x^2+5x-9=0 | | 17=u-19 | | -19+x=2x-33 | | -9/5x=36 | | 5/y=14/4 | | 27=w+18 | | 9k-12=80+8k | | 10+6=1x | | d+(1/2)(2d+6)=-1 | | 2x+50=5x | | 1012539.0625=-4(x^2)+4025x | | 1/3(x+7)-1/2(x+1)=-6 | | 5(x+5)=12 | | -28+14-22z=31 | | 3b-6+2=20 | | -12t=12 | | X-5+3x+2=6x-26 | | 7/y=14/4 | | 4/3(2x-1)=-2 | | 9a=11 | | 3x+y=132 | | 9x+8=47 | | 7x^2-392-7x=0 | | B-5/4=b+8/3 | | 1/2h+13(h-6)=5/6h+2 | | 27=w+8 | | 5(-6-3d)=3(8+8d) | | 7n-2+8n+8= | | 123/10(x+2) | | ((x-3)/2)-8=((x-4)/3) | | 3f+15= | | 8z-12=2(2x) |