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)
20/24 = 5/x // - 5/x
20/24-(5/x) = 0
20/24-5*x^-1 = 0
-5*x^-1 = -5/6 // : -5
x^-1 = 1/6
-1 < 0
1/(x^1) = 1/6 // * x^1
1 = 1/6*x^1 // : 1/6
6 = x^1
x = 6
x = 6
| 13+2a=3a-14+29 | | W-8=2.5 | | 37=w-(-8) | | -40+4x=10x+56 | | D+4+3d=28 | | 12.00+D=16.95 | | 2/7=a/49 | | x/2-x/3=20 | | .3n-6=-2 | | -7=h-22 | | 3xy^2(5x^3y-x^2y^2+7xy^2-3)=0 | | 9x+54=-66+3x | | 9x^2-19x-14=0 | | 9y-9-6y+4=0 | | 3(x-4)-6(x+4)=30 | | -12x+148=-9+-63 | | 7x+18=31 | | 21/56=3/d | | 15-(x+6)=5x-3 | | 9+5x-4+x=23 | | 3/4-x=1/8 | | -5(2k+2)-14k+(-32)= | | -12x+211=-9 | | X/11=3/33 | | 17=23+k | | 5(1-12n)=10n-9(1+8n) | | 29+4x=-13+x | | 6y-10-2y+7=0 | | x-(-13)=30 | | 1a+5a= | | -6(x-3)-12=-4x+2(5-x)-4 | | 325*8+575= |