If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( t )
t = 0
t = 0
t = 0
t in (-oo:0) U (0:+oo)
8/3 = 3/t // - 3/t
8/3-(3/t) = 0
8/3-3*t^-1 = 0
-3*t^-1 = -8/3 // : -3
t^-1 = 8/9
-1 < 0
1/(t^1) = 8/9 // * t^1
1 = 8/9*t^1 // : 8/9
9/8 = t^1
t = 9/8
t = 9/8
| -2x=4x-3x+3 | | 7/z=5/12 | | -5/2x-1/2y=4 | | 3x+3-5x=-13 | | -2+7-1-4k= | | 11=-3x+x-3 | | 9n+1=6n+7 | | 4/5(r-8)=r=2 | | 3000/0.8 | | -43=-x-3x+5 | | 9-5+2f+5f-2f= | | 0.08/3000 | | -x+2-4x=37 | | 19y-104=124 | | 15-7x-6+2x=-1 | | 13w-145=11 | | 42=x+1+x-4 | | 6x+7-x=52 | | 3000/0.08 | | 4*-8=28 | | x+.03x=2781 | | -3x+4=17 | | 10-2(x-4)=20 | | 15.4/0.14 | | -x+1+4x=34 | | 122=3x+30.5 | | w/1-7/1/2=3 | | 15.59=.20X | | 6y=5x+36 | | 86/0.50 | | 56/86 | | (16)7/4 |