If it's not what You are looking for type in the equation solver your own equation and let us solve it.
d in (-oo:+oo)
2*d-(7*d)-3 = -28 // + 28
2*d-(7*d)-3+28 = 0
2*d-7*d-3+28 = 0
25-5*d = 0 // - 25
-5*d = -25 // : -5
d = -25/(-5)
d = 5
d = 5
| 9-w+6w=9 | | -10+6b-3b=14 | | -7=-3n+n+9 | | -7-3d+d=-17 | | 7-x+6x=42 | | -84=7d+d+4 | | 10+6b+3b=-35 | | d-10-7d=-4 | | 0=-4d+3d+4 | | 47=3x+2x+2 | | t+5+6t=82 | | -25=-7m-3m+5 | | 50=7k-2k-5 | | 73=-3n-4n+3 | | -6-6w+7w=-8 | | -5w-4+2w=-25 | | 3+4n+n=-32 | | 115=2d+7d+7 | | -19=7x-3x-3 | | 108=6m+7m-9 | | 5d-3-7d=-23 | | -7d-4+5d=20 | | 9+4m-6m=-13 | | w+10-5w=10 | | 3+3x-7x=-33 | | -44=w+7w+4 | | 5=-d+2d+3 | | 37=7a-2a+7 | | -15=-5m+3m-9 | | 5=3+8t-4.9t^2 | | -9+2b+7b=81 | | 7n+4+n=-36 |