If it's not what You are looking for type in the equation solver your own equation and let us solve it.
m in (-oo:+oo)
(2/7)*m+8 = 68/7 // - 68/7
(2/7)*m-(68/7)+8 = 0
(2/7)*m-68/7+8 = 0
2/7*m-12/7 = 0 // + 12/7
2/7*m = 12/7 // : 2/7
m = 12/7/2/7
m = 6
m = 6
| 6-t=4 | | -6b+9/10=429/10 | | -5/6m-1=-28/3 | | -4/7+4/5w=148/35 | | 1/2b+7/8=25/24 | | 3+3/5x=48/5 | | 4/7+7t=191/77 | | -t+7/8=37/24 | | -1/3a+4=0 | | 4/7d+4=36/7 | | 1/2a+10=8 | | -2x^2+20x=10 | | -3/8x+2=0 | | -2x^2+20x=0 | | -3/7+w=-19/28 | | -1/3a-4/7=37/21 | | -8+3/5x=-34/5 | | 2/3+3/4t=11/48 | | 7+3n=64/7 | | 2t+6=28/5 | | 8-2/3t=172/21 | | -2/3b-3=-7 | | 1/2w-1/2=-7/24 | | 6+2k=7 | | -2/3b-4=-16/3 | | -2/3-4t=4/3 | | 1/2d+3=49/16 | | 5-2/7t=23/7 | | -8-2/3d=-178/21 | | 8+4/5m=56/5 | | 1/4b+2=7/4 | | 2x+10=76/7 |