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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
x^-6*(((4*x^-4*y^7)^2)/24)*y^2 = 0
2/3*x^-14*y^16 = 0 // : 2/3*y^16
x^-14 = 0
x naleu017Cy do O
x belongs to the empty set
| 3+x=9-2x | | 2d^2-12d+16=0 | | 6(x-2)=-8 | | 2d^12-12d+16=0 | | 0.5c+3.39-2c=4 | | 2d^22-12d+16=0 | | 15g+-17g+-2g=20 | | 5/11=9/x | | 19x-12=11x-18 | | -35.69+50.32x=-81.55x+69.7 | | 6x-19=2x+23 | | 18(x+1)=22(x) | | -(4xy-12)+4(6xy+8)= | | 10(3x-2)=12.5(2x) | | 18(x+1)=22x | | y+427/-10=-3 | | 3.1y-7-2y=0.7 | | -0.87x=-123.32+97.6 | | -1.25/1-3.5 | | 7n-6=3n+26 | | 3.1-7-2y=0.7 | | 4x+9=14+2x | | 5.3+u=3.2u | | 15.25=x^2+10.95x+27.65 | | X*2x-6=0 | | 1/8x-5+2/8x=25 | | t/9-6=13 | | 3n-10=38 | | -0.87x+65.72=-57.6+97.6 | | 2x+(x-8)=64 | | 8x+9=8x+9 | | 1e=1-9 |