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)
(((1/14)*x^-1)/7)*x = 1 // - 1
(((1/14)*x^-1)/7)*x-1 = 0
-97/98 = 0
x belongs to the empty set
x belongs to the empty set
| 10-9x=135-44x | | 7(7g+6)*4=59.5 | | 20x-5=x | | 4d+3=2d+11 | | x=20-5x | | 6x+2=14-2x | | x=19+6x | | 1*4c=0 | | 4x^2+4y^2+4x+8y-59=0 | | x=19+6 | | 3x-10x=90 | | 2a-3c=1 | | 1v-9/10v+6=11 | | 5x+5=2x+11 | | 1c+2d=1 | | 1/2*n+5*11=76 | | 4x-2=14x-40 | | f(x)=10x^5-4x^3+3x-5 | | (8x^4+2x^3-5)-(2x^2-8x+3)= | | n+5*11=76 | | 7x-2=x | | x^2-14x+11=-5x-3 | | x^2-3x-39=1 | | 9x+24=5x+96 | | x=7x-2 | | x=7-2 | | 9x+24=5x+26 | | x=9x-8 | | x=7x-3 | | x/8=18/8 | | x=7-3 | | 9x-6=5x+22 |