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-(8*x)-54/9 = -18
3;8;1;3;9;21
11/x+3/x = 25.7
29;65
8/6-(5/4) = 0
| x+7.75=-2.25 | | x=576+0.36x | | -54/9-8x=-18 | | 13.95x=279.00 | | 80t=1240 | | j+215=3 | | 13.95x=558.00 | | 20k=560 | | -7x-67=78-12x | | 3x-6(6+x)=6x+(2-3x) | | y=4/6x-36 | | 6f+4=6.4 | | 2x-18=-3x+42 | | 5a=300 | | X^2-8x-1=-8 | | -2x-19=9-x | | -132+12x=-5x+89 | | f-4=7 | | n-1/10=29/10 | | (x+1)*(x+2)*(x+3)*(x+6)=0 | | 52=67/x | | 1/5-1/2x=10/10x | | -12x-89=-5x+89 | | 0.15x=9 | | 20/30=x/15 | | 0.15x=48 | | 6y=2+0.3 | | 2x+19-8=x^2 | | 500=0.15x | | 500/x=10 | | 3x+3=10-2x | | lne^(-8/-5)=3t |