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D( x )
x <= 0
y/2 <= 0
x <= 0
y/2 <= 0
y/2 <= 0
1/2*y <= 0
x należy do R
x belongs to the empty set
ln(x)-x = ln(y/2)
x belongs to the empty set
| 3a+2b=15 | | 2n-32=8(n-7) | | 11n-12-10n-1=-11 | | 2-4+=0 | | 45=X*N-5N^2 | | y^4+10=0 | | -2+-1x=-8x+2x | | -7(v-3)+7(-2+v)=4 | | 5iz-2i-4z+7=0 | | 8-18=30 | | 15-3m=-1 | | -sin^2x-2sinx-3=0 | | g-4.5=7.2 | | -32-8p=-2(3p-8)-8p | | 3m+18=4m+8 | | -2(5x+-1)=-18 | | 0=x^2-x-40 | | Y+2.7=2.6 | | 5iz-2i+4z+7=0 | | 2h=6.8 | | 2p+4q+6r=34 | | 5/2x=15/8 | | 4p-6q-2r=-2 | | t/7-2=14 | | 10p+2q+4r=64 | | x^2+6x+11=0.5x+3 | | 3y=-12x-36 | | t/7-2=16 | | (1-3x)(3+2x)(x^2-36)=0 | | t/7-2 | | 4/5-4/15= | | 6m-10n-8p=-6 |