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-(2/7) = 5/7 // - 5/7
m-(2/7)-(5/7) = 0
m-2/7-5/7 = 0
m-1 = 0 // + 1
m = 1
m = 1
| t-1/10=17/30 | | 1/6d=11/72 | | 1/6d=11/72 | | -2/9+w=25/36 | | m-7=-32/5 | | 4q-4=6q-5 | | k/-6=-6/7 | | 5/9+w=14/9 | | d/6=-1/2 | | m-3/5=-7/20 | | m/7=-3/7 | | a-1/2=-9/2 | | a+5=11 | | x+8=43/5 | | 7/9+d=43/9 | | x+9=65/7 | | -8/5=m-2 | | b+6=26/5 | | d+3/4=35/4 | | t-9=-25/3 | | 8=a+9 | | 4d=7/3 | | -9-5x=93-6x | | X^3+24x-56=0 | | -3(x+7)2=-42 | | 1/3+a=5/6 | | k+2/5=0 | | m+7=55/9 | | t+2=0 | | w+6/7=10/77 | | m+3/5=18/5 | | 3+w=-6 |