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)
8/18 = 2/x // - 2/x
8/18-(2/x) = 0
8/18-2*x^-1 = 0
-2*x^-1 = -4/9 // : -2
x^-1 = 2/9
-1 < 0
1/(x^1) = 2/9 // * x^1
1 = 2/9*x^1 // : 2/9
9/2 = x^1
x = 9/2
x = 9/2
| x+11+x-15=180 | | 2.6(4x+2.3)=8.2x+49.98 | | 6x+4=10+9x | | 2(5-3v)+-9v=28 | | -3=-5(-15) | | 43=16+6d | | 1-[2x-3(4x-5)]=-14 | | 10w-7w=12 | | 4x-3=14x | | 7.86=2(3.14) | | 1.3a=13 | | 3x-11=5x+7 | | -1=-1+1 | | 3(2x-5)+5(x-6)=-1 | | 37x-15=71 | | 3a(a+2)(2a-1)=3a+6 | | (5z-8)(9+z)=0 | | 6+2x^2-6x=2x^2 | | 16uv^5x^6-28u^8v^7= | | -1=-x+1 | | .06x+.08(8000-x)=580 | | 20s+8.25=25.10 | | -1=-0+1 | | (2-3q)-4(5-6q)=3q | | p-2+3p=4+5p-7 | | 10x+5y=-20 | | 5(2x-5)=5(x-6) | | -5=11+6 | | 2-3n=-1/3(5-n)=1 | | E=VIT | | 15x-10+-9=2 | | 2=-5-7 |