If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
(2/5)*w+w-1/3 = -88/75 // + -88/75
(2/5)*w+w-1/3-(-88/75) = 0
(2/5)*w+w-1/3+88/75 = 0
7/5*w+21/25 = 0 // - 21/25
7/5*w = -21/25 // : 7/5
w = -21/25/7/5
w = -3/5
w = -3/5
| -37/70=-2w+2/7w+1/2 | | k+1/5-3k=-11/45 | | 2/3t+3/4-3t=-19/12 | | 7b+1+7b=-17/4 | | -9+6/7b+5b=-309/7 | | -8-2/3b-3/4b=-1175/132 | | -139/15=3d-5/6d-3/5 | | -77/4=-1/4m+7m+1 | | -1/2a+3/5+6a=278/5 | | 4+3b+6b=-14 | | -209/252=-5/6t+t-6/7 | | 240+45+40+12+14+24+89+47= | | -79/8=6k-7k+1/8 | | -5n-2/3+n=-2/3 | | 2+3/7w+6w=47 | | -1-d-4d=19 | | 3/5-n+2/3n=14/15 | | 7/3=-4n-6n+9 | | -7x+4+6x=6 | | 4+2w-1/6w=269/48 | | 79/45=d+d+1/5 | | t+7+3/7t=52/7 | | 5n+9+1/4n=72 | | -7-1/7x+4x=-22/7 | | 4k^2-9-16k=0 | | 7/8+3t+3t=-185/8 | | 3-1/6x-3x=197/72 | | 3+1/6t-t=58/21 | | 6a-6+5/6a=-53/2 | | 2=7t-4t-10 | | -6+5/7m+1/3m=-38/7 | | 21/4=5n+4n-3/4 |