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)
6*d-5*d+9 = 16 // - 16
6*d-5*d-16+9 = 0
d-7 = 0 // + 7
d = 7
d = 7
| 5+6t+6t=113 | | -9=-5w+6w-7 | | 107=5m+5m-3 | | -23=-6a+4a-3 | | 5d-5+4d=-32 | | 1=-3n+2n+8 | | -29=n+2n+1 | | 50=2t+4t+8 | | 3x+6=51, | | 6-5w-5w=-74 | | -5x+6-5x=-44 | | 5b+3+6b=-74 | | -31-4x=2x+22 | | 3-2x+7x=43 | | 86=6w+3w+5 | | 32=2w+w+8 | | -22=m-6m+3 | | 18=5x-2x+9 | | 6-2b+b=-2 | | 3w+10+6w=109 | | -3+6t-2t=5 | | 35=x+3x+7 | | 21=5t-4t+10 | | 9+w+5w=57 | | 7x-4-5x=4 | | 4=2w+w+10 | | 5n+2-2n=8 | | -w+4+2w=16 | | -1+7k+2k=-55 | | 2d-9-d=-9 | | 7=-k+4k+1 | | 6w-6-5w=6 |