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)
14/15 = 3/x // - 3/x
14/15-(3/x) = 0
14/15-3*x^-1 = 0
-3*x^-1 = -14/15 // : -3
x^-1 = 14/45
-1 < 0
1/(x^1) = 14/45 // * x^1
1 = 14/45*x^1 // : 14/45
45/14 = x^1
x = 45/14
x = 45/14
| L(d)=50+d | | -21.3x=7.1 | | 6x-21-8x+14= | | -6n+34=4(-7n-8) | | 7x+9+3x+12= | | 9/54=8/x | | -2(-2-5n)=84 | | 2(x+1)+2=x-4 | | 10y+10=20 | | 9=2(1)+7 | | 8y+10=20 | | 8c+c-3c= | | -14-8x=10 | | -2(-2-5n)=48 | | -2(7-4x)=10 | | 4/7-5/9 | | 9m+2m-5+7= | | 9/10-4/8 | | 3(y)-9=8 | | x=2(1)+7 | | 3k+15-4k=23 | | -35=-2x-b | | 2c+5c+7c= | | factor(4r^3+3r^4)-(n^3+4n)= | | (4r^3+3r^4)-(n^3+4n)= | | 12n=660 | | 18=7+11 | | 3/4=24/y | | -p-4=-p+9 | | (x+3)-(2x)=0 | | -4-18/7 | | 15-4x+2(3x+1)= |