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)
3 = 13.5/t // - 13.5/t
3-(13.5/t) = 0
3-13.5*t^-1 = 0
-13.5*t^-1 = -3 // : -13.5
t^-1 = 0.22222222
-1 < 0
1/(t^1) = 0.22222222 // * t^1
1 = 0.22222222*t^1 // : 0.22222222
4.50000005 = t^1
t = 4.50000005
t = 4.50000005
| x+3/x-1 | | 2(3t-11)-9=11 | | 0.8x-0.8(5-x)=6.4 | | .02x-4-0.01x-2=-6.3 | | 1=7/3(2x-3) | | 4(12+8-x)= | | x+15+77=180 | | 15-7x=11+5x | | v/10=13/17 | | 5x+3=11-4+x | | 36-2b=10 | | -8v+2(v-4)=-31 | | ((15+10-15)/5)X5 | | 15/18+1/2-1/3 | | -7x-y=40 | | n+44=44 | | 72/5-3x=9 | | -3(-1)(-1)(-2)= | | 1.2=x/4 | | solveyinQ=x+y+z | | m-6m+4m-6= | | 5y-2x-14=0 | | 4-9xn=176 | | 12+8-9=2x-12-1 | | 0.60(z-300)+0.052=0.7z-205 | | 13=4/3(4x+9) | | -4+2=9 | | z+100=800 | | -8x=-1 | | 7x/12+5x/6 | | 36/6(2+2+2) | | 6.9+1.2n=3.90 |