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30/68
7*x*sin(3*x)
(1-X^-1)^2
41/41
((tan(x))^-1)/2
| x^2+9x+18=119 | | -72y-10y=82 | | 7-4c=3c+3t | | 10=-5+3v | | 3(x+6)=4(1-x) | | 28n-6n= | | 6a+7a=7+1-a+6 | | 16/X=60/167 | | x^3+18x=-4500 | | -8v-4v-17=19 | | -2x-5=-2x+5 | | 3(2x-7)=4(x-5) | | 9x+4x=99.50 | | 3x-4+2(x-5)=34-11x | | 4(8b-1)=19+32n | | 6x-9=11x+3 | | 11+2x-2=7x+1-5x | | 2n+6-7n=34-12n+21 | | 53-4x=33 | | h(x)=x^2+3x | | 2.46=3.14r^2 | | 3x-2+3x=6x+5 | | 3p-11=19-7p | | 80=3.14r^2 | | d=36/3.14 | | 6x+5=-5+6x | | y^2=3.1x+1.5 | | 7a+6=2a+10 | | 7/f | | 9(2a-1)=27 | | 4cos^2x+6sinx-6=0 | | 15r=-5.07 |