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/x-100 = 3.875 // - 3.875
1/x-100-3.875 = 0
1*x^-1 = 103.875 // : 1
x^-1 = 103.875
-1 < 0
1/(x^1) = 103.875 // * x^1
1 = 103.875*x^1 // : 103.875
0.00962696 = x^1
x = 0.00962696
x = 0.00962696
| 2x+9x-4x-5=30 | | =6m^2+10m-24 | | 7x+10(9+2x)=36 | | 4[-5(2x+3)+3(5x-2)]= | | 8/11:6 | | 9-2(x+3)=16(x+5)-36 | | -1=2x-11 | | -14x+2(4x-3)=-18-5x | | 11=8(v-8)+7v | | -3x+1+10=x+4 | | 120=-10t^2+80t | | 5q-24=84 | | 8x-18=56+6x | | 4y-3+8x=2x | | 2[-5(3x+5)+5(4x-4)]= | | 6(65-y)+7y=65 | | 3(5p+8)-4(p-4)= | | x/(0.034-x)=2.5 | | 7x=3y+45 | | x+(-21)=-3 | | -2+11=16x-3-15x | | X^2+Rd-s=0 | | b=1000 | | 2b-3-12b-5= | | 3(2y+-1)=-15-2x | | -8-2x=-8(6x+1) | | (y^2+xy^2)dy+(x^2-yx^2)dx=0 | | 3(2y-1)=-15-2x | | (3/x)/1/x-5/y | | -8-2x=8-(6x+1) | | x^(-1/7)=1/3 | | 4x^2+y^2-24x-4y+36=0 |