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 = 18/x // - 18/x
2/3-(18/x) = 0
2/3-18*x^-1 = 0
-18*x^-1 = -2/3 // : -18
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
| 2/5(15y+10)-2(4y+3)=0 | | -3(6y-2)-y=-2(y-4) | | (3/x)+(5/x)=2 | | 3.27x+36=10.6929+6x | | 10x+6=6x+24 | | 4/7=x/161 | | 3(2x-1)=4x | | 12x+10=-14x+54 | | (4/3)x=(3/2)x+(4/3) | | (1/2)x-1=(3/4)x | | 8-z=5+5z | | 20X+50=100 | | 5-5(y+1)=-3 | | (7/3)x+4=(1/3)+(1/3)x | | 6/x-1-6/x-8=7 | | y+3/4=y/8 | | 3/4x=91 | | 50/x=2 | | 1*3/4=91 | | 2(3x-6)+6(x-3)=-3(5-5x)+5x-5 | | 18x+216=18[x+12] | | 3.47x+17.35=34.7 | | 13/4x=91 | | 219-5x=31x+23 | | 212-5x=40x+17 | | -3+9=12x-5-11x | | 9x-(8x+5)=3x-31 | | 6x-48-6x-6=7 | | 3*x+5=29 | | y+2=-1+8 | | 5/9x2/3 | | 1-7y=6-8y |