If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( a )
a = 0
a = 0
a = 0
a in (-oo:0) U (0:+oo)
27/a = 0
27*a^-1 = 0 // : 27
a^-1 = 0
a należy do O
a belongs to the empty set
| a=3b+1andx+1-2b | | 4+12r=11 | | x-2(x-3(x-4))=5(6-x) | | 15=n/3=4 | | 2(x+1)+3(x+2)=4(x+3)+5(x+4) | | 8+4=16106 | | 7(1.15-0.75)=k | | V^3+25= | | 2m=20+6m | | x+9=7-x | | 9/5*-255.372 | | 4x+4y-3z-2x+2z-7y= | | -6-4x=-70 | | 11x=8x-3[5-2x] | | -15=-15+0.4(40-3h) | | -16x^2+50x+120=0 | | -21=-313+x | | 19/7=38/m | | 3(9-4x)=68 | | 3/4x-12=1/2-6 | | log(5)124=x^2 | | 12+18=6+0.5+2h | | 10-4[p+7]=2[1-p] | | 160/9-273.15 | | 3x-x+4=6(2x-1) | | Y=-9/4x | | 12+18=6+0.5+2 | | 2x-10+7x+1+90=180 | | y=-16t^2+20 | | y2/3-5=-2 | | -3+7x=4 | | 6+-2(x-5)=-1 |