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-7 = 5/7 // - 5/7
8/x-(5/7)-7 = 0
8/x-5/7-7 = 0
8*x^-1 = 54/7 // : 8
x^-1 = 27/28
-1 < 0
1/(x^1) = 27/28 // * x^1
1 = 27/28*x^1 // : 27/28
28/27 = x^1
x = 28/27
x = 28/27
| 88=2u+2n | | 20x+-25=4x-1 | | 6x+50=2100 | | -6+6k=42 | | x/6=90 | | 1/3x-54=2x-9 | | -5n-4(-7-4n)=36+7ni | | y+20=-5 | | (4x+7)=(6-63) | | y-0.15y= | | 3x+5+4x=82 | | 7b^2+2b-3=0 | | 0.6(6x+12)=1.4-(x+2) | | 6+5x-1(3)=10 | | .10x+x-12(.25)=11 | | 1/6(3x-135)=5x | | .10x+-3x=11 | | -.2+30=-2x+3 | | 15d-(-62)=947 | | X/-9=16 | | 64+x=228-3x | | 9+8q=12+7u | | .02x=10 | | 9j(6k^2-2k+13j)= | | 10x*2+4x+12=0 | | 5+5a=6a-7 | | 105-2k=73 | | 13(x-4)=7x-10 | | 5s=4s+10 | | 6(3a+1)-30=3(20-4) | | 3t=2t+6 | | 3v+36=5v |