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)
0.1/x = 0.18 // - 0.18
0.1/x-0.18 = 0
0.1*x^-1 = 0.18 // : 0.1
x^-1 = 1.8
-1 < 0
1/(x^1) = 1.8 // * x^1
1 = 1.8*x^1 // : 1.8
0.55555556 = x^1
x = 0.55555556
x = 0.55555556
| x+x+x+x=9 | | 1.5B=B | | 4(n+2)(n+5)=230 | | 9y^2-36y+300=0 | | 6x^3+5x^2+3x+2=0 | | (9-v)(5v+7)=0 | | 9x-3=40 | | 2*(10-y)+2y=20 | | 10d+5=4d+47 | | (x)=300(1.02)x | | .65b+4.99=6.94 | | 6(x-4)=-2.4 | | =-6x^2-x+7 | | 2e+1=77 | | 2x-3(2x-3)=0 | | 9(a+3)=65.7 | | 2x+5=11*11*11*11 | | 58=7x-5 | | 2/8+1/5= | | 2x+5=11? | | 25x^2+30x+3=0 | | 7(-k-1)=-56 | | 5e-5=44.5 | | r=34x-13 | | 2x+5=4*11 | | 2/10+1/5= | | 6p=27.6 | | 8(a+3)=88 | | 2e-6=12 | | =7-9x-10x^2 | | 5+8x=45 | | 6(-3b+1)=-17(x+1) |