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)
-1/6 = v-(2/3) // - v-(2/3)
2/3-v-1/6 = 0
1/2-v = 0 // - 1/2
-v = -1/2 // * -1
v = 1/2
v = 1/2
| 3.4-51=51+6y-51 | | -8+c=-14 | | 2x^2=1/2x | | 2x^2-10x+74=0 | | -13b+10b+-6b+15b=-12 | | 67+2.5x=70.125 | | (6y-24xy^6)dx+(9x-56x^2y^5)dy=0 | | 2x+13=3x-10 | | M-(-4)=21 | | a+(-3)=10 | | 2*y-8=0 | | 1000mg=gm | | Y=4.5(0) | | 3(7+3v)-7=8v+9 | | 67+2.5x=117 | | -3(2/3) | | 11(x^2+2x)=2x(5x+8) | | m+5=-10 | | 5x+8=9x-40 | | A-19=-29 | | -17=6a+25 | | 0=4.5x | | 2x+18+3x+41=99 | | 147+3x=360 | | r=10(a+b)solve(b) | | 2w+2l+2=40 | | 9+5a=-3+2(a+6) | | y^2-3x+10y+16=0 | | -13w+3w+6w=18 | | 5t+4=7t-1 | | (x-5)squared=25 | | 18y+2=65 |