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)
8-(7*w) = 61/5 // - 61/5
8-(7*w)-(61/5) = 0
8-7*w-61/5 = 0
-7*w-21/5 = 0 // + 21/5
-7*w = 21/5 // : -7
w = 21/5/(-7)
w = -3/5
w = -3/5
| -1/4+1/2x=-23/4 | | 1+4/5x=-3 | | 5w+7/9=-353/9 | | 5b-7/10=-407/10 | | 1+5d=-5/2 | | 2/3-7t=232/33 | | 1/2d+6/7=43/42 | | 3/7n-8=-80/7 | | 5+2/7x=71/14 | | 4m+3=23 | | -8+2t=-30 | | 2-m=10/9 | | 3/5x-4=-89/20 | | 6m+2/3=37/15 | | 4/5x+8=131/15 | | -1/8+1/2k=-45/8 | | 2/3w+3/10=209/30 | | -1/3+2n=1 | | 5n-6=-11 | | -(3y-2)-7y+1=3(-2y+4)+5y | | 3x+24=12x-40 | | 9-5n=9 | | 6t-7/9=425/9 | | -2=-0.14(-8)+b | | 9+4/5x=137/15 | | -1/5m-3/8=-7/40 | | -3/4k+5/7=115/308 | | 3m+6=27/4 | | -2/3w+3=17/6 | | 1/2d+2/5=-3/5 | | 4/5-5k=119/55 | | 1-2b=-13 |