If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
0.2-x = 0
0.2-x = 0
0.2-x = 0
0.2-x = 0 // - 0.2
-x = -0.2 // * -1
x = 0.2
x in (-oo:0.2) U (0.2:+oo)
0.3/(0.2-x) = 10 // - 10
0.3/(0.2-x)-10 = 0
0.3/(0.2-x)+(-10*(0.2-x))/(0.2-x) = 0
0.3-10*(0.2-x) = 0
10*x-1.7 = 0
(10*x-1.7)/(0.2-x) = 0
(10*x-1.7)/(0.2-x) = 0 // * 0.2-x
10*x-1.7 = 0
10*x-1.7 = 0 // + 1.7
10*x = 1.7 // : 10
x = 1.7/10
x = 0.17
x = 0.17
| 2/5b=1=-11 | | 2x+4(x-4)=2(x-4) | | 12x+15x-8+2=-8x+2-8 | | (2t^2)+(14t)-22.5=0 | | 0.6x-0.3y=5.1 | | (4t^2)-35t-45=0 | | 0.1x+0.4y=-2.3 | | 5x-3x+14=x+6 | | 4a-a*b=a | | 8.4+4.6=x | | x-(18/100)x=16.4 | | (5t^2)+32t-160=0 | | 5*(10+x)=6*x | | 8x-16+11x+25=180 | | -0.52=((x-53)/16) | | -0.52=((x-50)/12) | | -7(1-4)=13(2-3) | | 6/7q=19 | | -.52=((x-53)/16) | | 18+9=-3(8x-9) | | 2(x+3)4y=3(x-2)+7 | | -4y-43=6y-17 | | 3x+5=3(x+4) | | -.25=((x-53)/16) | | 7x/4=14x/10 | | .25=((x-53)/16) | | .25=((x-53)/16 | | -7(z+1)=3-6z | | Y-x=2x-2/3y | | 3+4lgx=6 | | -93.5x+4=44.9 | | 110=3x-2 |