If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
(5/7)*n-((3/5)*n)+1 = 59/35 // - 59/35
(5/7)*n-((3/5)*n)-(59/35)+1 = 0
(5/7)*n+(-3/5)*n-59/35+1 = 0
4/35*n-24/35 = 0 // + 24/35
4/35*n = 24/35 // : 4/35
n = 24/35/4/35
n = 6
n = 6
| 1/2b-2/9-2b=-247/18 | | 2/3b+5/7-2/3b=5/7 | | -4/7b+2/7-2/5b=316/35 | | 1/3w+5+5/7w=347/21 | | -7k-1/5+k=-16/5 | | 9+6k-3/4k=93/8 | | -3/4k+2-4/5k=511/240 | | -23/14=5/7a+5/7a-1/2 | | -39/11=-2k-5k-8 | | 3n+1+6/7n=31/7 | | -267/4=-1/4d-6d+2 | | -1/2t+7-3t=21/2 | | -89/15=-a-7a-1/3 | | 657/175=4/5b+3b+5/7 | | 7d-1-1/4d=-29/2 | | -4/7=-2m+4/7m+1/2 | | 79/18=m+2/3m+3 | | 4=k-7k+1 | | -7m-4+5m=-20 | | 3/7w+6-4w=194/49 | | -1/5+5n-1/7n=-109/35 | | 6b-2/5+4/5b=-2/5 | | -28/3=m+4m-6 | | -67/245=-1/2k-2/7k+2/5 | | 16x^2+24xy+9y^2= | | 6w+7/10-1/2w=131/30 | | -9/10-4x-2x=-9/10 | | -7-3m+4m=-16 | | -6/7x-5/7-3x=-163/77 | | -1/2d-3/5-1/4d=-63/55 | | 1/9+4/5n+3n=-508/45 | | -3/4-3a+1/6a=5/84 |