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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
4/x+3/x = 0
7*x^-1 = 0 // : 7
x^-1 = 0
x naleu017Cy do O
x belongs to the empty set
| 98+y+z=180 | | 32/3/4 | | x^3+5x^2-15=6x-(2x-5) | | 2x+7=6x-4 | | 3/5-2/15 | | c+(-4)=-5 | | -8-10(-8-(-10+3)+(125/5))+5 | | -27=9t+6t+3 | | 68+y=180 | | 2c+5=45 | | 116/254 | | 3x+37=90 | | -6(-4)=14 | | 4-2n=-3-1+2+10 | | 2.2(k+5.2)=49.94 | | 6r-2(2+r)=4(2r-1) | | 8000+5x=10000+3x | | 11/3x=2/9 | | 5+x-4+x-5=10+16+x-10 | | 42n-13=17n+2 | | 9x+5+7x-4= | | 32/3x=2/9 | | 7x-10+2x=6+9x-16 | | -16x^2+176=0 | | 2(+7)=30 | | 3=y/4-9 | | -76=-6+3x-x+8 | | x+x+1+x+2+x+3=106 | | 36-(+6)=7-2 | | 10x+11=36 | | 0.6(-0.1+r)=-8.16 | | 270/2=p |