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)
5*d+6*d+2 = 79 // - 79
5*d+6*d-79+2 = 0
11*d-77 = 0 // + 77
11*d = 77 // : 11
d = 77/11
d = 7
d = 7
| -5t+2+7t=20 | | 3=t+2t+3 | | d+6+d=10 | | 10+a-4a=7 | | -3+5a+3a=-11 | | 1+5w-4w=-10 | | n+10-6n=20 | | 25=7b+2b+7 | | -3-3m-6m=-75 | | 2+6x+6x=-82 | | 4x(-5+x)-2x= | | -16=-5x-7x+8 | | 6=-3w+2w+4 | | w+7+2w=31 | | -2-3n+6n=22 | | -8w+12/-4 | | 6-6n+3n=0 | | -9-6k+7k=-14 | | 5d+1-6d=-3 | | 69=7b-b+3 | | -25=7b-5b-1 | | 2+2m+7m=83 | | 4+7k+4k=81 | | -9+5t+7t=-105 | | -3-6k+4k=-17 | | -5=-6n+7n+2 | | 5+6m+6m=65 | | 2-7d-2d=-52 | | 4+3m+7m=124 | | 1+4n-7n=-32 | | -8+12/-4 | | 9=b+4b+9 |