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)
4*d-(6*d)+9 = 7 // - 7
4*d-(6*d)-7+9 = 0
4*d-6*d-7+9 = 0
2-2*d = 0 // - 2
-2*d = -2 // : -2
d = -2/(-2)
d = 1
d = 1
| b-9+7b=79 | | 2b+1+4b=43 | | -63=-7n+n+3 | | 6m-3+3m=-66 | | 5t-5+5t=-5 | | 2k-10-3k=1 | | -130=6x+6x+2 | | -7+5a-3a=-25 | | -7x-8+x=-62 | | 30=3b+5b-10 | | -3+4x+6x=-113 | | 5a+2+4a=-16 | | 8-4n+5n=11 | | -15=7d+5d+9 | | -2-2x-7x=-47 | | 187/8-93/4 | | 10=6n-4n+6 | | 19=3a+a+3 | | 2-t-t=2 | | -52=-7d-7d-10 | | 105=4t+6t-5 | | 7=6k-2k-1 | | 9x-3(x+2)=5x+9-3x | | -73=4x+6x-3 | | -26=4t+5t+10 | | 5k+8+4k=-55 | | 99=d+7d+3 | | 4a+4+7a=37 | | 4w+4-5w=13 | | -32=7b-4b+4 | | 187/8-93/4-615/16-2/6 | | -9=2x-3x-9 |