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+2*d+3 = 67 // - 67
6*d+2*d-67+3 = 0
8*d-64 = 0 // + 64
8*d = 64 // : 8
d = 64/8
d = 8
d = 8
| 5t-10+t=-10 | | -6a-5-6a=127 | | 5-7b-3b=15 | | 100=-6w-6w+4 | | 52=b+3b+4 | | 4a-2+4a=30 | | 6x+3-4x=9 | | 76=6t+3t+4 | | -3-7m+m=-69 | | 7b+10-5b=-4 | | -2-2x+3x=0 | | 8+4n-7n=-16 | | -5+5m+4m=58 | | 6w-9+6w=111 | | 4w-4+4w=92 | | 7d+6+3d=86 | | -4x-3(2-2x)=7+2x | | -n-7-4n=-32 | | 6+7m-5m=2 | | 4x+10+5x=19 | | 2+d+6d=-47 | | 5m-7+7m=-127 | | 7+4d-d=-26 | | -9=2k-k-10 | | -6+3b+b=14 | | 4m+9+5m=27 | | 5+3x-x=27 | | 2k-7+6k=65 | | -1+3b+2b=19 | | 11=-4b+3b+6 | | -5t+3+t=-29 | | -6m+3-6m=111 |