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)
5/x = 10/8 // - 10/8
5/x-(10/8) = 0
5/x-5/4 = 0
5*x^-1 = 5/4 // : 5
x^-1 = 1/4
-1 < 0
1/(x^1) = 1/4 // * x^1
1 = 1/4*x^1 // : 1/4
4 = x^1
x = 4
x = 4
| .15x-.08y=5.36 | | 12(a-7)= | | h(t)=-16t^2+64t+10 | | 7/18/11/27 | | 24x+4=10 | | 4w+4=2w+20 | | -5x+3=11-7x | | x^2-x+.25=1 | | 25n=75 | | -29-x=24.5 | | 21/5=3k-2/5 | | 4r+3(r-2)=0 | | 4/3k-19/6=5/3k-7/2 | | 0.8928571429=2 | | 6+3x=-4x-75 | | 80-x-x-3x=100 | | b^1/4c^-7/3)(b^3/4c^-2/3) | | 415=15s+5 | | X^2(2+x)=288 | | a=93-47 | | X+21+X+17=180 | | 0.8928571429= | | 72m^4-64m^3-56m^2/8m^3 | | 5z-16=3z+8 | | 25t=5(5t-1) | | X+5=y-3 | | 3(-x+y)+2x= | | 4(-9x+2)-3x=-3 | | -16t^2+63+4=0 | | 10-5=x/5 | | 10x-2y=32 | | 5z-18=3z+8 |