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-60*(1/4) = 0
53/20 = 0
1-(7/x)
(1/5)*r-26 = (1/2)*r-29
5/25 = 1/n
| 1/4(-60) | | 0=-8x+2x^2 | | 4d^2-20d+9=0 | | 3x+4-5(x+2)= | | 5x^2+8*x*y+5y^2=9 | | -2(12x-6)=-12x-6 | | H^2+30h=0 | | 10x^2-8=-4x | | 8y^2+19y+6=0 | | 0.4t=-64 | | 2(3+x+y)= | | (12+2x-12)=a^2+a^2 | | 6x-79+9x=101 | | X^2+y^2+41=9 | | -20=4n+7n | | -x-3+2x=x+2+x | | -15=1.2m+2.4 | | 7=38x-2 | | -x-32=50 | | N^2+35n=0 | | s^2+43s=0 | | -3-8(1+2k)=18 | | 2x^2=480 | | 6x+7[2x]=20 | | -5n^2-2n+10=0 | | 2[3.4-16]= | | -4c+8=-3.6c+7.2 | | 4=-3x+8 | | J^2-46j=0 | | 1/5r-26=1/2r-29 | | 4x-2y-4z=20 | | -26u^2-11u-15=0 |