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-t+3/7 = 3/7 // - 3/7
t-t+3/7-(3/7) = 0
t-t+3/7-3/7 = 0
0 = 0
t naleu017Cy do R
t in (-oo:+oo)
| 6a+4+2/3a=92/3 | | 51/8=-7x+2x+7 | | w-7/9+2/7w=-61/252 | | 3/5t+10+t=106/5 | | 142/55=-a-3a+2/5 | | -1+6/7t-4/5t=-7/5 | | 5+4t+4t=-43 | | 6-4x+7x=15 | | -3/5=k+k-1 | | a+1/5-5a=141/5 | | 3/10=t+1/2t-3/5 | | 1927/308=4/7x+7x+3/4 | | -a+3/4+4a=69/28 | | 79/11=6w+1/2w+6 | | 6+3/5x-x=18/5 | | 5/9+1/3a+1/5a=7/45 | | 2/3+3t+4t=107/3 | | 47=-5t+1/2t+2 | | 211/5=-1/2a+4a+1/5 | | x+105+89=x | | 2+7x+2/3x=1/12 | | 47/14=-3/4k+6/7k+4 | | a+4-1/5a=4 | | k+4/9+k=35/18 | | 5/6k+5-5/6k=5 | | 6t+1/3+3/4t=-535/96 | | -7/45=4/5a-3a+1/3 | | -111/5=-3/5w-2w-4 | | 627/70=-5/7n+4/5n+9 | | -6/7d+4+3d=71/14 | | 1/2n+10+3/4n=75/8 | | 5/7d+5/7-2d=-1/4 |