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)
26/1000 = 14.7/x // - 14.7/x
26/1000-(14.7/x) = 0
26/1000-14.7*x^-1 = 0
-14.7*x^-1 = -13/500 // : -14.7
x^-1 = 0.00176871
-1 < 0
1/(x^1) = 0.00176871 // * x^1
1 = 0.00176871*x^1 // : 0.00176871
565.3838108 = x^1
x = 565.3838108
x = 565.3838108
| 7p*-2p= | | 7px-2p= | | (x-0)*(42/280)=100 | | 7x-4w+3x+6y+3y+2w= | | 3.6+2.93= | | (x-0)*(42/250)=100 | | (3x-3)/7=24 | | 6t=5y-2 | | 3(3n-4)=(7n+4)+8 | | 3.8+0.7+4.6= | | 7t+24(sqrt(1-t^2))=5 | | F(x)=4x^2+4x+24 | | 47-12=28 | | 7sin(x)+24cos(x)=5 | | 0=2x(x^2-3) | | y=x^3-3x^2-72x+5 | | (x^2+xy)dy=(x^2+y^2)dx | | 4+5(P-1)=35 | | 2d+7+2d-15=0 | | 64-120K=0 | | 2X-19=9X+8 | | 3y/8=13 | | X-0.5=9.2 | | 3x+4=-6+3(x+3) | | 20-h-13=7 | | 2d+7+4d-10=0 | | 3x+18=20+x | | 4(7+2r)=27 | | 12n+60=60+12n | | 439=7a+11b | | (x^2-5x+1)*(x^2-5x+9)+15=0 | | (5x-2)(5+3x)=7 |