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| 4/9=N/81 | | 30=-30v | | 6x+2=13x-12 | | 94=957-w | | 38x+32=564 | | 5/7=40/n | | 4k+5(3)=2k+7 | | 21+19=42+12 | | -27+a=-40 | | 8(x+30)=280 | | -27+a=40 | | 7x+4+5x-6=8+10x-6 | | Y=1/3x3^-2 | | -12=1+r | | 28=-28x | | 1=.1x-.7x-17 | | -5x=2x-84 | | 3b-3/6=b-3/18 | | -15=n-15 | | 5_1/2×=12 | | x^2+3*x^3=0 | | 21y-12x= | | -3=2x-2 | | 21=6t+5-7r | | 8=2x+12 | | 5x^4-28x^2+15=0 | | 12+92+c=108 | | 9(3w-5)=9 | | -2x-7=-3x-10 | | 50h=60(h-1) | | 3(x-2)=(1-2x).3-3(2-2x) | | 11m-2=9m+19 |