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)
(-2/5)*t-(4*t)-(1/10) = 439/10 // - 439/10
(-2/5)*t-(4*t)-(1/10)-(439/10) = 0
(-2/5)*t-4*t-1/10-439/10 = 0
-22/5*t-44 = 0 // + 44
-22/5*t = 44 // : -22/5
t = 44/(-22/5)
t = -10
t = -10
| 1-7k+1/2k=145/2 | | 1-n-3n=0 | | 5/6k+10-1/3k=15/2 | | d-4-4d=2 | | -8/7=3t+t-4 | | 3-6a-5a=14 | | 6t+2-4t=16 | | 7+2b-1/4b=371/44 | | 2d-6+1/7d=-123/28 | | 136=7a+5a+4 | | 2a+7+3a=-48 | | -47/5=-7d+6d-10 | | 5/6t+1/4+1/2t=67/12 | | 2a+6+2a=4 | | -3/4+2w+1/2w=57/4 | | 47/9=-4b-5b+2/9 | | 4a-8+3a=41 | | -2/3x+2/7-4/5x=-64/315 | | -7+6w-3/7w=-361/7 | | 3m+4+m=4/5 | | -1-2b+3/4b=-17/2 | | 4a+10+2/3a=52 | | -10/3=4d-1/2d+1/6 | | 2/5x+1+x=-2/5 | | d-1/6+5d=323/6 | | a-1/5+6a=279/5 | | -107/6=k+2/3k+1/2 | | 3/4-3/7n-7n=-5/28 | | 1/6k+5/9+3/5k=671/90 | | 1/5-2/5k+1/3k=4/25 | | -6/7d+6-1/7d=11/2 | | b+5/6-2b=1/6 |