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2000x^2)1000x-3000=0
x=0/1
x=0
| 3/y+7/y=5 | | 3x/2+5=5x/2-1 | | 20x-30=10x+70 | | -7.5=1.25x+2.5 | | 1.18*x+2*x=45 | | -1x3x=3+25x | | -2x+8=-64 | | -1X3x=-3+25x | | 22x+10=120 | | 1.18x+2x=45 | | 2x+5=105-9x | | 5x2+7x=00 | | 4x+9=21x2x | | 100f=272727-f-0.27272799f= | | 0.65x=3640 | | 4=-x-7 | | 6k+97=2(3k+47) | | 4x(-3x+2)=7x= | | 100f=272727-f-0.272727f= | | 2x+6(-2x-4)=-28-6x | | 7+x/3=8+x/4 | | -5+4x=-3 | | 14(5c-2)=3c-6 | | 6−6x= | | 7m+14=12m-16 | | 3+5x-4-7x=2x-4x+1= | | 19t-15=7t-9 | | -2x^2+20x=42 | | 2x^2+20x=42 | | 11/u=3/7 | | 5(x-4)=8(x-7) | | 5(x-4)=8(x-9) |