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)
3*d-7*d+1 = 37 // - 37
3*d-7*d-37+1 = 0
-4*d-36 = 0 // + 36
-4*d = 36 // : -4
d = 36/(-4)
d = -9
d = -9
| x+10+x=-10 | | -8=-4w+2w+8 | | -8+3m-m=-8 | | 10-2d+d=17 | | k+10+k=18 | | 4+4x+4x=60 | | 3+n-2n=15 | | 6d-3-2d=25 | | 17=2d+2d+5 | | n-9+4n=51 | | 40=2k+5k-9 | | -1+n-4n=-31 | | 4+4b-7b=-23 | | 13=2a-a+10 | | 3m+1+6m=-89 | | 4w-6-5w=-7 | | 3m+3-m=7 | | 4a-1-2a=7 | | -10=-7n+n-10 | | 4/7(7x-28) | | 0.6+0.7+0.8= | | 14=-3k-k+6 | | -7a-10+2a=-40 | | 97=5d+3d+1 | | -6a-6-7a=-6 | | -22=-5n-4n+5 | | 4b-2+b=48 | | 72=2n+6n+8 | | s+(s+0.89)=92.99 | | 14=6k-3k-10 | | -2d-7+7d=-2 | | 4x+9+4x=-63 |