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)
204/49 = 6*n+(5/7)*n+8 // - 6*n+(5/7)*n+8
204/49-(6*n)-((5/7)*n)-8 = 0
(-5/7)*n-6*n+204/49-8 = 0
-47/7*n-188/49 = 0 // + 188/49
-47/7*n = 188/49 // : -47/7
n = 188/49/(-47/7)
n = -4/7
n = -4/7
| 9/10+7x+x=969/10 | | 5-3w+4w=-4 | | 1/3+4/7d-1/3d=11/28 | | 9+3/4x+3/5x=171/10 | | 1/2-a+4a=13/4 | | 313/210=-5/6w+3/5w-1/7 | | 5t+1/4+3/5t=229/20 | | -6d+5/8+7d=-67/8 | | -3/7b-1/3+7b=65/12 | | 5a-1/6-a=-73/6 | | -587/10=-2/5w-7w+1/2 | | d+2/3-4/7d=32/21 | | 9+4t+1/6t=56/9 | | 6-3/4m-4m=53/12 | | -27/7=4/7n+1/7n-1 | | 7x-(2x+3)=9(x-1)-5 | | 5w-3/4+3w=-53/28 | | -1/5w-2/7+5/7w=-7/20 | | 278/3=7d+2/3d+2/3 | | -7x+7+5x=-7 | | 3a+4+1/2a=-3 | | 1+2/7k+2/3k=16/21 | | 5k+1/2-1/2k=-35/2 | | 7a+2/7-3a=30/7 | | 2/7b+4+b=307/70 | | 3/5-1/5x+1/2x=27/10 | | -6b+6+5/6b=113/24 | | -21/10=4n-n+9/10 | | 5/9+n+4/7n=47/441 | | 3/5m-3/7-m=-57/35 | | 2/3-5/7t-6t=-1678/21 | | 40=5b-b+4 |