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)
-26/3 = m-(2/3) // - m-(2/3)
2/3-m-26/3 = 0
-m-8 = 0 // + 8
-m = 8 // * -1
m = -8
m = -8
| 1/2=m+1/2 | | x-3=-14/5 | | w/7=-6 | | m/4=-7 | | -2/3x=1/3 | | 1/2+x=7/6 | | 13/30=m+3/5 | | t+3=11/3 | | (n+9)*5=20 | | 15/2=k-1/2 | | w+3=9/4 | | -1/6+b=1/3 | | 4/5k=4/5 | | b+1/2=-15/2 | | w+1/8=9/8 | | 6x+2(3-x)-26=100 | | n-8=-16 | | 4/5n=0 | | 1/2t=5/14 | | d+3/5=27/20 | | n+5/8=85/8 | | x*8=171 | | -9+m=-10 | | 4a=16/5 | | k-8=0 | | 17/3=t-1/3 | | m/-3=5 | | n+3/4=21/20 | | b+7=43/7 | | n/9=8 | | b+1/2=-3/10 | | 26/3=d+2/3 |