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 = 0
v = 0
v = 0
v in (-oo:0) U (0:+oo)
19.3 = 96.5/v // - 96.5/v
19.3-(96.5/v) = 0
19.3-96.5*v^-1 = 0
-96.5*v^-1 = -19.3 // : -96.5
v^-1 = 0.2
-1 < 0
1/(v^1) = 0.2 // * v^1
1 = 0.2*v^1 // : 0.2
5 = v^1
v = 5
v = 5
| -5(r+4)=-62 | | 4x+(2x-5)-5x+3-4=3x-6 | | (y*y)-6y=-7 | | 8.5+1x=22.5 | | 3x-12xy+18= | | T=BC-3 | | 18x^2+2x+-5y=18 | | [x-5]=8 | | 17=4x+3-2x | | (3/10)x-3x+(4/5)=3/5 | | 4(3x-5)+6=7(x-2)+6x | | (11/7)x-(4/5)=((5x+1)/2) | | 2-5x=3(2-x) | | 4(3x-5)+6=6x+2(3x-8) | | 7/6+6m=77/30 | | 4(3x-5)+6=12x-14 | | ((x+3)/8)=(x/4)+(1/5) | | 4(3x-5)+6=4x-14+18x | | 4(2x+9)=116 | | 2(x+5)=-20 | | 2/x+h-2/x | | 4(x+6)=-36 | | 6x^2-17x=10 | | (y*y)-10y=-23 | | 4x^2+36x+4y^2-12y-166=0 | | -7(9+4x)=105 | | -4b+8-b=2+4b | | 3(x-7)=30 | | 5(5y+2)=3(2y-5) | | p+(-5)= | | ((x-2)/9)=1-(x/2) | | ax=bx |