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-9 = -3*d-54 // + -3*d-54
6*d-(-3*d)-9+54 = 0
6*d+3*d-9+54 = 0
9*d+45 = 0 // - 45
9*d = -45 // : 9
d = -45/9
d = -5
d = -5
| -2b+2=2b-30 | | 2b+9=4+3b | | -9xyz(-2xy+3yz-4xz)= | | -4+3t=-7t+46 | | -4+3n=-2n+56 | | -4m+2=-47+3m | | -6d+3=5d+47 | | 2k+4=5k+10 | | 9+x=-6x-26 | | -7d+8=-88+d | | -9+2m=7m-9 | | -2t+5=37+6t | | 3+4m=5m+7 | | -3b+10=7b+130 | | -5m-2=6m-35 | | 9-4b=-6b+17 | | -5x^5y^-2z^-4/-10x^-2y^9z^-3 | | f(x)=x^2+5x+1 | | 1/3(15-6x)+17+x | | 6-2x=x+15 | | 6d+3=-7d+107 | | 6+2a=-2a+50 | | 4a+5=-5a+113 | | -4b+4=4b-68 | | 10-4t=-6t+24 | | 4x-2(x-1)=10 | | -5n-6=4n-114 | | -9+d=7d+51 | | 1-2x=2x-3 | | 2+3t=4t+2 | | -7k+9=k-7 | | 7k+6=-2k+6 |