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-2 = 4/x // - 4/x
8/x-(4/x)-2 = 0
8/x-4*x^-1-2 = 0
4*x^-1 = 2 // : 4
x^-1 = 1/2
-1 < 0
1/(x^1) = 1/2 // * x^1
1 = 1/2*x^1 // : 1/2
2 = x^1
x = 2
x = 2
| x+35=-15 | | 100=-16t^2-100 | | 2x+19=4x-17 | | 1.7x-2.1= | | √7/3 | | 7(2y-1)/5=5y-8 | | 30=x/12 | | 28=4x^2+34x | | 10x^2+20x-77=3 | | 5(x+8)=8x+2-3x+38 | | 5x-6x+2=3-1+2x-3x | | 4x+0.5+1.6x-1.7x+4= | | 3(x-5)+2=8x-(4x+1) | | 4x-3=4(x+8) | | X+68=90 | | 22s=1575 | | 14-5.1= | | x/8=1/16 | | X+68=99 | | 7x+4=7x+5 | | 1=6r-7-2 | | -6(1-8x)-5x=-2x-6 | | 3m+6=5m-10 | | 0.3(2z+5)+0.1=0.4(2z-6) | | 3x+116.75=500 | | 8/9.3/4 | | 1575=s/22 | | 3*(2x-12)=4*(x-3) | | 250=x+(x-20) | | 13=z/5= | | 9-3x=51 | | 133.2/100 |