If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( c )
c = 0
c = 0
c = 0
c in (-oo:0) U (0:+oo)
36/c = 4 // - 4
36/c-4 = 0
36*c^-1 = 4 // : 36
c^-1 = 1/9
-1 < 0
1/(c^1) = 1/9 // * c^1
1 = 1/9*c^1 // : 1/9
9 = c^1
c = 9
c = 9
| n+6=-2-n | | 12n-12n= | | 3-6(x-4)=-8x+37 | | 8x(g-40)= | | 9-2x/5 | | 9-2x5/ | | 3-3(1-2x)=-8+7x | | 0=16x^2-160x-256 | | 12x-9+4=43 | | 2(y+1)-3(y-1)=4-3y | | 5n=4n+42 | | 3y-4x=18 | | X-10y=-23 | | x+x*0.18= | | 2.7+1x=12.8 | | 65=m+50 | | 12x^2+12x+144=0 | | 3/20x1/9 | | e=7.5r+8.25v | | -4/3w=30 | | -9-6y+6y=9 | | 1.5/3r=14 | | 18t-11=43 | | 1.5+3r=14 | | 4/3x^2-27x | | 1.5+.3r=14 | | 51-6(t+3)=9 | | =16t^2+75t+4 | | 1/3-2/5y=7/10 | | 2e-5+3e=4e-16 | | 18(-2)-2-12(-2)=6(-2)-26 | | 1-5x=7+13x |