If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
4*a+7*a-1 = 76 // - 76
4*a+7*a-76-1 = 0
11*a-77 = 0 // + 77
11*a = 77 // : 11
a = 77/11
a = 7
a = 7
| 6w-4-4w=-28 | | -6=3k+5k-6 | | 4x+9-x=3 | | 4n+5+6n=25 | | 2k+3+k=-6 | | 5+7d-2d=25 | | -36=-m-4m+9 | | -3=5m+6m+8 | | 10+4a+3a=17 | | 41=5x+4x+5 | | 3d-4-6d=-22 | | -3n+5+2n=15 | | 31=n+5n+7 | | 22=2k-4k+10 | | -6-3t+7t=18 | | -7=-3t-6t-7 | | 2+2d+7d=-106 | | 4+3t+7t=4 | | 11=5t+4t+2 | | -2w-5+7w=0 | | 6n+7-n=17 | | 22=2b-4b+2 | | 9=n+n-9 | | 2+6k-2k=46 | | n+6-5n=26 | | 6a+1+7a=105 | | -5w+6+6w=10 | | 68=6k+6k-4 | | 53=6n-2n+9 | | 7n-9+4n=13 | | -a+8-5a=14 | | 2k-4+k=2 |