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)
-36 = 5*d+d+6 // - 5*d+d+6
-(5*d)-d-36-6 = 0
-5*d-d-36-6 = 0
-6*d-42 = 0 // + 42
-6*d = 42 // : -6
d = 42/(-6)
d = -7
d = -7
| 11=7w-6w+4 | | 4n-3-n=15 | | 6-3n=3 | | 7b+8=-69 | | 3+2m=9 | | -3b+8=14 | | 3+7a=-67 | | -3a+3=39 | | 10-2w=0 | | -2t+10=12 | | 10-4a=10 | | 3-3m=-15 | | 7n-10=-10 | | 7m+5=33 | | X^4+x^3+2X^2=0 | | -2t+6=-4 | | -5t-9=-54 | | 7b-3=-3 | | 2-2w=-10 | | -2-2m=-6 | | 5+6x=-49 | | -2+3t=4 | | 6-3b=0 | | 7t-3=-17 | | 7w-3=46 | | -3m+10=-11 | | -10+4d=-34 | | 6+5w=51 | | 3+5n=53 | | 4a+8=56 | | 1+3d=-11 | | 5n+9=-51 |