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)
10/3 = 90/x // - 90/x
10/3-(90/x) = 0
10/3-90*x^-1 = 0
-90*x^-1 = -10/3 // : -90
x^-1 = 1/27
-1 < 0
1/(x^1) = 1/27 // * x^1
1 = 1/27*x^1 // : 1/27
27 = x^1
x = 27
x = 27
| -7.4q=-36-1.4q | | -(5x-3)+(4x-2)= | | 6(2-x)-12= | | 2+3(5x-6)=8-5(2x+1) | | (4/5)t-(3/10)=(2/5) | | t^2+2t+1=25 | | 0.04(x+5)=0.02(2x+9)+0.02 | | y^-3/y^-6 | | x^-3/x^-7 | | 4x+7-3x=7+2x-6 | | 3x-11=25 | | -6y-3=1-5y | | -4y+5=-7 | | 3x^2-1.6x+0.16=0 | | Z/-2=9 | | 5x^2-7=93 | | 6-3y=7-4y | | -3(8p-13)=-12(p+11)+3 | | X+7/5=12/5 | | (1/y)-(1/5y)+(1/(y+1))=(5/2y) | | 5X/6-X=X/18-4/3 | | 6v^7+20v^6+14v^5= | | 7s+8(4+8s)= | | 5w^2=3w+2 | | 4p^2+10p=-6.25 | | -6=x+19 | | 3X/10=4X/5-5 | | -45y^4/-5y^2 | | 7+4(4+8r)= | | 9(x-1)=12(x-6) | | 49y^10=0 | | 6(8+4q)+7q= |