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)
0.6/x = 0.12/5 // - 0.12/5
0.6/x-(0.12/5) = 0
0.6/x-0.024 = 0
0.6*x^-1 = 0.024 // : 0.6
x^-1 = 0.04
-1 < 0
1/(x^1) = 0.04 // * x^1
1 = 0.04*x^1 // : 0.04
25 = x^1
x = 25
x = 25
| 190=-u+37 | | (5x-7)(2x+1)-10x(x-4)=0 | | -3(22-6)+7= | | 2a(a)= | | 9=6x+3(-3x-2) | | 16=-u+37 | | 1/3(2x-6/5)=1/2(x-4/3) | | 4w^2-w+3=0 | | x+500=1000 | | 2x+6+40=90 | | 3a+2b=595 | | -6=-3+v | | -x+y=-27 | | 9X+8Y=21 | | 3s-8s+13=17 | | 0.03x=2625 | | 0.03=2625 | | 6x-1+6=11 | | 2X+2Z=43 | | h=6t^2+120t | | 0.03x=4500 | | 4t^2-5t-3=0 | | (10x)/3-(5x-2)/4=3x-5 | | 21p+7=139 | | 7x^2=46x+21 | | 3x*19= | | 50=-30+8x | | 2x-24=8 | | 5v-v+v-3v=16 | | -(4y-8)=12 | | p^2+7p=q^2-7q | | 2h+h-2h=12 |