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)
2/3 = 4/x+2 // - 4/x+2
2/3-(4/x)-2 = 0
2/3-4*x^-1-2 = 0
-4*x^-1 = 4/3 // : -4
x^-1 = -1/3
-1 < 0
1/(x^1) = -1/3 // * x^1
1 = -1/3*x^1 // : -1/3
-3 = x^1
x = -3
x = -3
| -4x=26 | | -2x+4-4x^2=0 | | x-(9x-7y)=6 | | 6(x-1)=9(x-3) | | 4+a/10=8 | | -85=-6+3y | | 5x-5-4x=6 | | 38/7*4/13 | | 4m+5=85 | | 2[a-17]=10 | | 13-8x=133-29x | | -24=6-6n | | -5(-2-3)-2= | | 5v=-80 | | 3+1.5x+4=4x-2.5 | | -2x-22=34-4x | | 3=5(y-2) | | -6-5x+x=34 | | (n/6)=-8 | | -16t^2+128t=2 | | 1/5c+4=-9 | | -2-m=13 | | 2(x+9)=5(x+1) | | 5x-1=20x-10 | | 2x-5(-4)=16 | | -44=-5+9y | | 6x/10=36/15 | | n-18=-29 | | x=14(24)/4 | | 110=-7+9t | | 2y-12-y=38 | | 3a-45=89+16a |