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)
-5*m-7 = (-1/4)*m-(61/6) // - (-1/4)*m-(61/6)
61/6-5*m-((-1/4)*m)-7 = 0
(1/4)*m-5*m+61/6-7 = 0
19/6-19/4*m = 0 // - 19/6
-19/4*m = -19/6 // : -19/4
m = -19/6/(-19/4)
m = 2/3
m = 2/3
| -5m-3/7+7m=26/21 | | -5m-3=57 | | 42=x+14.3x | | -5m-3=27 | | -5m-10=-50+3m | | -5m-10+3m=-28 | | -5m+8=-22 | | -5m+6=31 | | -5m+5/7=-1/2m-331/154 | | -5m+5=-m+41 | | 7p^2=18 | | -5m+4/7=-206/7 | | -5m+4/5=178/35 | | -5m+4-6m=-51 | | -5m+3/5=-247/5 | | -5m+2/3=-m+38/3 | | -5m+2=-13/11 | | -5m+10=65/6 | | -5m+1=61 | | -5m+1=31/6 | | -5m+1=26 | | -5m+1+6/7m=39/10 | | -5k=40/9 | | -5k-9=16 | | -5k-8+4k=-63/8 | | 14x+8=7x-5 | | -5k-3=25/3+2/3k | | -5k-2/7=-127/77 | | -5k-2/3=118/3 | | -5k-10=5k-130 | | -5k-1/2=15/2+3k | | -5k-1/2=-31/2 |