If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
25/x = (8/13)/5 // - (8/13)/5
25/x-((8/13)/5) = 0
25/x-8/65 = 0
25*x^-1 = 8/65 // : 25
x^-1 = 8/1625
-1 < 0
1/(x^1) = 8/1625 // * x^1
1 = 8/1625*x^1 // : 8/1625
1625/8 = x^1
x = 1625/8
x = 1625/8
| -z+86=7z-2 | | 8x-24+24x=3(4x-8) | | 20/n=5/7/4 | | 24=-10c-3c-15 | | X(x+4)=-13 | | 10x=-27+7x | | 6g+g-1=0 | | 8i/9-7i | | x+4.85=7.78 | | 8=7(2x-2)-5(8x+6) | | w-5.33=7.87 | | Inx+Inx^2=2 | | X^4+7x^3-8x-72=0 | | 3x+5-4x-3=12+4x | | 4(z-5)+6z-4= | | 16x^2-32x+7= | | -6=-3(-2-8p)+3(6-6p) | | 16x^2-4x-28x+7= | | 332/40 | | 14.75-6.926= | | 6=18-2q | | 108/6 | | 8x-6x+7=-1 | | -5j+72=-2j | | (-2b/a^4)^5 | | 3.1-2.076= | | 5.3*10^18=x/[(.17-x)(.84-2x)^2] | | 1/5×-3=2/3 | | -670=-10(4+7n) | | 5.91+12.8= | | 3.086+6.152= | | 0=65-(2.1*d) |