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x in (-oo:+oo)
((1/6)*x^2)/3 = 0
1/18*x^2 = 0 // : 1/18
x^2 = 0
x = 0
x = 0
| x^2+y^2+4z^2=16 | | 3x+5+2x-8=73 | | 25=-4.9t^2+25t | | 25=-4.9t^2+25 | | -10z+8=3-9z | | 7a+4b=2142 | | -4=3x-11 | | 5x+10=3x+112 | | 0.30(m-100000)=202500 | | -107+12x=-251 | | 0.30(m-100000)=1000000 | | -11x+47=-179 | | x+154=5 | | 0=14-x | | 7b^2+14b=0 | | 9x-12=76 | | y-37=5/-4(x-12) | | Mx+Ny=OforY | | 8x+103=247 | | xy+4x-6=0 | | 6timesx=-18 | | 5(n-1/2)=1/2 | | 4+2*x=-18 | | 9-7y=11 | | 8x+48=-120 | | 13.99(b+12)=1000 | | 7v-5*7=56 | | 10z=6z-4+3z | | 2x^2-11x+5x=0 | | 17-8(x)=11+6(x) | | 100+.30x=50+.50x | | .25x/6-5=18 |