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x^4*e^-x
W-(3/4) = 53/5
-18 = (-6/7)*w
121 = 3.14*(1/3)*5^2*h
28 = (7/2)*x
| -7w-26=-3(w+6) | | 6(u-4)=2u-12 | | 1.05x=140 | | 1.05x=104 | | y-7y=6y+6 | | 2.2x=140 | | 15x^2+16x+10=0 | | 4u+3(u+7)=14 | | -28=-8y+4(y-4) | | -32=4x+4(x+2) | | 14+2(2x+1)=16-(2x-8) | | W-3/4=53/5 | | 3x+4y-6z=12 | | 12-3y-19=7y+3-5y | | 4y+1=-2y-11 | | 2p-7=-63+9p | | -18=-6/7w | | Xt7/14=1-3/7x | | 0.08x+0.04(5000-x)=280 | | 3a^2b-6a^2c-b+2c=0 | | 0=12t-3t^2+36 | | f(t)=12t-3t^2+36 | | 121=(1/3)(3.14)(5^2)(h) | | 84/16= | | x^2+12x+1728=0 | | 28=(7/2)x | | 18r+6s=3 | | 125x+142= | | 9×3/12 | | -3(x+5)=6x+48 | | (6/7)m=-24 | | 31/2×91/8^2= |