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/x = 6/10 // - 6/10
8/x-(6/10) = 0
8/x-3/5 = 0
8*x^-1 = 3/5 // : 8
x^-1 = 3/40
-1 < 0
1/(x^1) = 3/40 // * x^1
1 = 3/40*x^1 // : 3/40
40/3 = x^1
x = 40/3
x = 40/3
| (4x-12)=20 | | 0.7(w+5)=1.2w | | 4x+3=x*x+2x | | 1/5v=-3/5(1/2v-5) | | 2(6z-1)-3(z+8)=6(z+1) | | 15x=(5/8)*x^2 | | 68x^2=17 | | 3y-12=33x | | 5x^2+10x+230=0 | | 3(x+1)+7= | | 2xy+3ay+4bx+6ab=0 | | 24/x=6/7 | | 8c=4.2 | | 6y^2-8y+12-12y^2-8y+7= | | U-u-4=0 | | 0.6(6x+9)=2.5-(x-3) | | c=4.2 | | -n-7=n+5 | | 15x^2+8x-55=0 | | -y+63=171 | | 57=-w+254 | | 5t+8=6-t | | 227-x=4 | | 3+6h=6+9h | | 1/5x=3/5 | | (3x-2)(5x-7)= | | 10000x^2+2x-0.04=0 | | 6z-25=83 | | -16t^2+8t=1 | | 3(x+4)=-2(6x-9)+5x | | (8x-16)=(2x+20) | | 3+3(4y-1)=-4(2y-3)+5y |