If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
a-((4/7)*a)+8 = 5 // - 5
a-((4/7)*a)-5+8 = 0
(-4/7)*a+a-5+8 = 0
3/7*a+3 = 0 // - 3
3/7*a = -3 // : 3/7
a = -3/3/7
a = -7
a = -7
| -7/9+1/2t-t=-43/9 | | 4+5t+7t=13 | | d+3+6d=59 | | 2/7m-10-2m=-58/7 | | 3/5+4/7m+m=527/420 | | -51/5=3m+3/5m-9 | | 3x-6+1= | | 443/70=5k+4k-1/10 | | d+8-3d=-8 | | 7a-9-5a=-11 | | 5(17)2/103 | | 1/2+3/5t-5t=-17/10 | | -3523/490=4/7k+7k-7/10 | | 1/5+3w+5/7w=-58/35 | | -2/9-x-3/4x=-449/36 | | 2a+2+1/3a=2 | | 6/7x-3-4/5x=-729/245 | | -1+3w+5/7w=-27 | | d-1/2+1/6d=-103/66 | | 10-7w+w=17/2 | | x-6+3x=-6 | | 1/2+b+5b=-5 | | 5/8x=34 | | -3/7b+3/5-2b=-64/35 | | -7t-1/3+t=-10/3 | | a+3+4/5a=87/5 | | 3/5t+7-3t=-61/5 | | 6+1/2m+3/7m=569/84 | | 4/7k+2/3-6k=412/105 | | (-y+6)-5=30y-10 | | 1/3+7m-1/5m=22/15 | | 10ln(7x)=30 |