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)
8/x = 5/12 // - 5/12
8/x-(5/12) = 0
8/x-5/12 = 0
8*x^-1 = 5/12 // : 8
x^-1 = 5/96
-1 < 0
1/(x^1) = 5/96 // * x^1
1 = 5/96*x^1 // : 5/96
96/5 = x^1
x = 96/5
x = 96/5
| 6x^2=36-19x | | [37x+37*3]*2=14 | | 0.3x+0.5x+13=1 | | 9(42)-9(4)=9(30)+9(n) | | 9w+-4(w+-2)=3(w+1)+-9 | | 8h-40=24 | | 0.3+0.5+13=1 | | 9w-4(w-2)=3 | | 3x+7+2x=22 | | 126/x=21/100 | | 1(7a-1)=2a+7 | | 0=2x^3+5x^2-18x-45 | | 4x-5=16x-40 | | -7(2y-6)+20y= | | 4(3+3x)-1=35 | | -6.7+(-3.5)+(-1.6)= | | Y=12-2x-2 | | 5y+3=2y^2 | | 4x^2+75=0 | | 4x-3/2=5/4 | | 135x2/3 | | x-1.87=13.92 | | x+8=26 | | 1/2(6-7)=y | | 14y+6=2y-6 | | 3x+8=42 | | 4.2x-3.24=2.52-5.4x | | 48/2/3 | | 14y+6=2y+6 | | 6w-4x=3w+5 | | 4(x+7)=-(8-x) | | 4a-5=2a-2 |