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)
m-(2*m)-3 = -10/3 // + -10/3
m-(2*m)-(-10/3)-3 = 0
m-2*m+10/3-3 = 0
1/3-m = 0 // - 1/3
-m = -1/3 // * -1
m = 1/3
m = 1/3
| -1/3w-1/5+w=1/45 | | 3m-7+m=-3 | | -27/4=k-1/4k-3 | | 401/20=3k-1/4k+4/5 | | -17/2=-3b+2b+1/2 | | 3/5b+1/2+3/7b=89/70 | | -6+3/4n+2/3n=47/12 | | 1/6n-9+1/3n=-26/3 | | -38/25=7n+2/5n-3 | | 10-2k+6k=38/5 | | -1/5+2/5n+3n=84/5 | | -19/10=-5k+3k-1/2 | | -5/7+1/4w+w=155/28 | | 4/5+1/3k-3/4k=311/420 | | 1/2t+10-t=8 | | a+4/5+4a=179/5 | | 51=k+6k+9 | | 5/6b+1/2-b=2/5 | | -4/7+6n+4n=556/7 | | 2/3n+1+3/5n=298/165 | | 10+2b+2/3b=38/3 | | 9+4/7n-3n=91/12 | | -1/10+2/5n+2/5n=19/2 | | 5/3=-3b+2b+2/3 | | d+10-4/7d=10 | | 41/7=d+5/7d-1 | | 6t+4+5/6t=142/15 | | 642/77=4b+2/7b+6 | | 211/70=4x+7x-2/7 | | 3/5+4x+1/5x=2 | | 5+k-6/7k=316/63 | | 5/6-w+w=5/6 |