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(2/5)*x-(1/4) = 0
(5/8)*n-8 = 22
65/72 = 0
5/11 = x/13
x/4 = 11/13
| 3y+15x=45 | | 2/5x-1/4 | | 16=3y-14 | | 5/8n-8=22 | | 3x+15=4x+4 | | 45xy+3x=9x+27 | | 4x+15=4x+4 | | 6x^8-22x^2=0 | | (5x+1)+5*5=3+5*5 | | 12-3(y-2)=8-4y | | -21.4+n=-23 | | 15xy+3xy=45xy+3x | | 3x^5y-27x^4y^2+12x^3y^2= | | x^2-3x+121=0 | | 5/11=x/13 | | 4-3[2x+7]=-5 | | ln(y-1)=lnx^3-ln(x^3+x) | | 4a(6a+7)= | | 300=x+(0.15x) | | x/4=11/13 | | -3.6a=-164.52 | | -7x^2+18x^2+3x^2-5x^2= | | 13/11=5/x | | -7/5x=7/8 | | n*9+10.36=25.36 | | 4(m-2)=42 | | 12-3y-6=8-4y | | 8x^2+40x+400=0 | | 15÷1/3=s | | 25x+45y=52750 | | [2/5]/[-2/-1] | | 15÷1/3 |