If it's not what You are looking for type in the equation solver your own equation and let us solve it.
t in (-oo:+oo)
t+2/3 = -28/3 // + -28/3
t+2/3-(-28/3) = 0
t+2/3+28/3 = 0
t+10 = 0 // - 10
t = -10
t = -10
| 8+x=29/4 | | x+1/8=47/56 | | u^3-6u^2-15u=0 | | b-1=-12 | | -13/4=b+3/4 | | w-3/7=5/21 | | w-8/9=-62/9 | | t^2/2+t=-1/6 | | d-2/3=34/3 | | 4k=-44 | | -19/2=k+1/2 | | -4x^2-x+2=0 | | k+8=-3 | | -8+d=-4 | | 20y^2+90y=0 | | x/5=-3/7 | | m/-7=6/7 | | d-3=-24/11 | | w+7/9=34/9 | | 7+t=54/7 | | x-5/6=-1 | | -2/7t=-16/7 | | 1/5+t=8/15 | | -9/10+k=-89/10 | | 1/3t=7/30 | | k-8/9=37/9 | | 3+d=10/3 | | w/4=-1 | | f(x)=6x | | 1+b=3/4 | | m+1=6/5 | | 2+w=6 |