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9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999x^9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999x999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999x^9999999999999999999999999999999999999999999999=99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
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9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999x^9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999x999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999x^9999999999999999999999999999999999999999999999-(99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999)=0
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| –8r−10=–6r | | (x+1/2)-(x-8/3)+(x-16/9)=0 | | 900=m*2000 | | 5=p3− 3 | | 4y+5y+11=2y+18 | | 39+x-69+293=360 | | -10-3(1-2x)+2=11(2x-1) | | 9(y-6)=6y-39 | | 2.1-y=-4 | | 4-800d= | | (x+1/2)-(x-8/3)-(x-16/9)=0 | | -10+3n=-2n+10 | | 60(4x-80)=180 | | –4w=36 | | (83-x)=(98-2x) | | 8s-(5s+6)=1/2920+6s) | | 39+x-96+293=360 | | 800d-4= | | 4m=2+3m | | -16+5k=3k | | 600=m*2400 | | 9x+18=10x+7=180 | | -5(7x-7=-7x-21 | | -2+-x=4 | | 10z+1=-5+9z | | 9x+18+(10x+7)=180 | | z6−3=2 | | x/6-6=x/12+6 | | 6x+20-100=0 | | 8x+74=@x+56 | | (4*7)+x=2(7+x) | | 4n-24=4n+6 |