If it's not what You are looking for type in the equation solver your own equation and let us solve it.
v in (-oo:+oo)
4 = v/12.8 // - v/12.8
4-(v/12.8) = 0
4-0.078125*v = 0
4-0.078125*v = 0 // - 4
-0.078125*v = -4 // : -0.078125
v = -4/(-0.078125)
v = 51.2
v = 51.2
| 3x-10=-m-2 | | 0=2x^2+3x+3 | | 24x^2=-14x+3 | | 4(x-8)-7x=-5 | | X^2-7x+12x=0 | | x=50/0,5x | | 5x+5=29-3x | | -0.9x(-4)= | | 8h+1=73 | | 3/4=u-3/10 | | x=50/(1/2x) | | 5=8p+13-3p | | 12x+50=x^2 | | 3.4x(-4.5)= | | C=3n+49 | | X=-10x-88 | | 8(b+3)=-16 | | V=4V-2G | | 6e-7=23 | | -2/3(12x-15y)= | | .25x+30=59.50 | | 3d-1=d+8 | | 17x+1=2x-29 | | log(13x-27)=2-logx | | 8x+10y-5= | | 10+-3t=-11 | | 60=2x^2+2x | | 6x+9=-49 | | 4x^3-24x^2+14x+40=0 | | 4q-5=3q-1 | | 21x+3+14x+2=180 | | 30x+.25=59.50 |