If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( v )
v-3 = 0
v-3 = 0
v-3 = 0
v-3 = 0 // + 3
v = 3
v in (-oo:3) U (3:+oo)
6/(v-3) = 0
6 = 0
v belongs to the empty set
v belongs to the empty set
| -(14/19x) | | 5x-2+6x=5x+4-7x | | x=25+4y | | 3(2b+4)=3b-14 | | n/3+3/4=5/6-1 | | 9n-6=-16+4n | | 7s-16=8+s | | -6x-13x=-76 | | 16x^3/4x^2 | | 2c^3(9-8c^5)=0 | | (3x/5)-(2x/3)=6 | | 19+110+x=180 | | n(n-1)=8n+36 | | 4t=3t+1 | | 2p+4=7(p-2)+p | | n(n-1)=4n+18 | | 18+105+x=180 | | 3(4b+2)=(2b-14) | | 6t^2-60t/8t | | 7x=3x+1 | | 2x=12.8 | | 105+x+90=180 | | -6b(8b-2)-3b(4+4b)=b | | 27d+18=72 | | 24d+18=72 | | 3x+5=6x+3 | | 8y-10=-18+6y | | 2r-13=-18+r | | 1/2,10/3 | | 3(x/6)=48 | | 81b+15=-47 | | -4a=9-21 |