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)
2.2/1 = 187/x // - 187/x
2.2/1-(187/x) = 0
2.2-187*x^-1 = 0
-187*x^-1 = -2.2 // : -187
x^-1 = 0.01176471
-1 < 0
1/(x^1) = 0.01176471 // * x^1
1 = 0.01176471*x^1 // : 0.01176471
84.99997025 = x^1
x = 84.99997025
x = 84.99997025
| y=1.73+0.39 | | X^3-x^2-12x-1=0 | | x-(10-x)=30 | | 7/x=56/96 | | 3x-(5x+6.4)678.00008=3x-4(5-3x)7 | | 12/9=x/27 | | 1/4+2(-3/2)-4(-1^2) | | 6+(7*x)=41 | | x/5=12/60 | | 37.41/(-4.3) | | [9-8(x-5y)]+10(7x+y)= | | 2x+20-4x=10 | | n+10=n+7-n | | p+30=80 | | 3-x/2=-3x/2 | | 0.65x+0.05(8-x)=0.10(-56) | | 59/20+13/5 | | r+3=3+r | | (x-4)/(x+6)=(x-8)/(x-3) | | 18=7x+3-2x | | (8f+4g)(-f)= | | 8/5x+7=-3 | | 2y-14=2846 | | -7(8+7x)=-154 | | 3y=7-9+3y | | 10m+5=50+5n | | -7+5(2x+1)=-82 | | 3/8x-4/3x=4 | | -(5y+2)-(-4y-7)=-2 | | -6n-3n=0 | | x^4-x^2+16x+464=0 | | 9+4y-7=9y+6-4y |