If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( m )
m = 0
m = 0
m = 0
m in (-oo:0) U (0:+oo)
100/m = 1/2 // - 1/2
100/m-(1/2) = 0
100/m-1/2 = 0
100*m^-1 = 1/2 // : 100
m^-1 = 1/200
-1 < 0
1/(m^1) = 1/200 // * m^1
1 = 1/200*m^1 // : 1/200
200 = m^1
m = 200
m = 200
| 3d-8=37 | | 100/m=11/2 | | 56e+57=45 | | -3=4x-7 | | 15+2k=30 | | 100/5=14 | | 1/4p=1/8 | | -4.3=4x-7 | | (2x+5)=90 | | 1/.12-x=32.5 | | 2(3z-5)=18 | | 8z+6=2c+6 | | 1-x=2/3 | | 12-9m=8-4m | | -4(x+5)=15 | | 6(3x+3)-4(x+4)=5(x+2) | | 3-4x=1-8x | | 170x10/7 | | 3^-6x(3^4/3^0)^2 | | 7(x-3)=13 | | -7=x+3+4X | | v+15=27 | | 1.2x^2+21=51 | | 3x+4(x+1)=10 | | 6k+3=2k+19 | | n/8=2.8 | | 3c-4=-20 | | -15x-13=-58 | | 7x+3=6x-5 | | 2a-2=38 | | 3-11v=9+5v | | Y=-150x |