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)
10/7 = 9/m // - 9/m
10/7-(9/m) = 0
10/7-9*m^-1 = 0
-9*m^-1 = -10/7 // : -9
m^-1 = 10/63
-1 < 0
1/(m^1) = 10/63 // * m^1
1 = 10/63*m^1 // : 10/63
63/10 = m^1
m = 63/10
m = 63/10
| 7(2)-2(2+6)=-2 | | 16k^2-9=0 | | X+6x(x+88)=40 | | 5/6=v/7 | | 3(4+x)=x+26 | | 67000*.09+x*.03=.04(67000+x) | | 2(w+3)+5=19 | | 6/12=x/2 | | X+47(107+x)=140 | | 3y-1=9x | | 1/8+y=-3/16 | | -9+2z=9z-1+13 | | 8(n+5)=96 | | Sec^4x-2tan+1=0 | | -7(7x+4)+7x=-196 | | 6(x+1)=20-x | | 9x+64=-144-17x | | (A)(b)=(b)(a) | | -9+2z=9z-1+3 | | -7-5(5+7b)=248 | | 8=7(x+5)-8x | | -7(5+5x)=105 | | 5/6(x+6) | | x^3+7x^2+2x-42=0 | | 6030+0.04x/67000+x | | 3a-3/2=-21/4 | | 4a+12r=4.6 | | -8(n-7)=112 | | 4-(-8x+5)=-32x-26 | | 8d-32+3d-32=5 | | 4x^2-x-11=0 | | x+2/x+1=x-4/x-3 |