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)
(-6/7)*m-8 = -122/7 // + -122/7
(-6/7)*m-(-122/7)-8 = 0
(-6/7)*m+122/7-8 = 0
66/7-6/7*m = 0 // - 66/7
-6/7*m = -66/7 // : -6/7
m = -66/7/(-6/7)
m = 11
m = 11
| 7+1/2t=8 | | -6/7a-4/9=-146/693 | | -3/7b+1=44/35 | | 5-5k=-30 | | m+5=26/5 | | 2m-1=19 | | 1+6m=-23 | | k-3/4=-35/4 | | 2/3+2/3t=10/33 | | 6m-4/5=56/5 | | 4x+8=9x-27 | | 6-1/2w=45/7 | | -8+6m=-38 | | 2(x+8)=3(2x+4) | | -m-3=-9/4 | | -3/4k-1=-13/10 | | -1+2/5x=19/5 | | 4/5w+6=366/55 | | 1/5a+8=432/55 | | -5/6b+10=35/6 | | 2/3+4/5a=34/15 | | (3x/6)+2=8 | | -3/4n+1/2=5/16 | | 1/4-6k=83/44 | | -4/5+2/7t=-136/245 | | 3/4+2/7k=3/4 | | 6/7m+1/5=37/35 | | 2+2/3d=6 | | 1/5-3n=-31/20 | | 6x+12-9x=39 | | 2/5d+5/6=37/30 | | -5x+5/7=-275/7 |