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)
-7 = -3/x-5 // + -3/x-5
5-(-3/x)-7 = 0
3*x^-1-7+5 = 0
3*x^-1 = 2 // : 3
x^-1 = 2/3
-1 < 0
1/(x^1) = 2/3 // * x^1
1 = 2/3*x^1 // : 2/3
3/2 = x^1
x = 3/2
x = 3/2
| 3(8+x)=48 | | (9-u)(9+u)= | | -2(-3-3x)=-60 | | y=2x^2+10x | | -6(1+1x)=-48 | | 6-3(4-8x)=0 | | -3y^2+24y-36=0 | | -6(2x-1)=-138 | | (4z+5)(4z-5)= | | 6(-10+4x)=180 | | 14s-2s^2=0 | | 5+5x+3x=-19 | | 5+5x+3x=-18 | | 6x-10+4x=20 | | -3x+9+5x=29 | | -4x-5+3x=-11 | | log(14-x)=0.5 | | 2x-9=24-3x | | 4/5(6x-8)=-2 | | 3x+5y=40 | | 7x(x+6)=8x+48 | | -8x-12x=-120 | | 3/8x=-3/5 | | 3p=p(1+i) | | 94.2=.33*3.14*9*h | | x^2+30x+56=0 | | 17x=8x+3 | | 6x-14y=-2 | | 5/49x+25/49=20/49 | | -21=-2y | | 10/x=25/12.5 | | v=.34*3.14*2*2*9 |