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1;4;3;4;5;2
1;3;2;3;5;2
n/4-7 = 0
2 = 2000-(x/800)
5;7;6;7;8;1
| (5x-20)=5x | | 4(x-2)=5x+7 | | 6-2.5x=-13 | | -7(3x-7)=135 | | 3i=6-3i | | x-4=8x+10 | | 3h=2h-25 | | -(3x-1)=91 | | 8g=14-6g | | 3(x-2)+5=12 | | 19x-23-4x-1-2x+29= | | 13f=16+5f | | 3x-36=5x-32 | | n+17=19 | | 12(b-10)+20=4b+60 | | n/4-7 | | 5b^2-11b+6=0 | | 6x+2y=108 | | 2=2000-x/800 | | -5m+3(m+5)=-(2m+15) | | x=w-2v | | -1-8+14x=-34 | | 3x+2x+5y-6y= | | 3(X+16)=6x-30 | | 8=9w-w | | 11x+3y=24 | | 6x^2-11x+21=0 | | -2=-(-n-2) | | -4y-10=-18 | | 14.7+0.445x=32 | | .3x-9=12 | | x+4x=17 |