If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
8-3*x = -6*x-4 // + -6*x-4
4-3*x-(-6*x)+8 = 0
6*x-3*x+4+8 = 0
3*x+12 = 0 // - 12
3*x = -12 // : 3
x = -12/3
x = -4
x = -4
| 6n+6=n+16 | | n+2=-28+7n | | n+1=41+6n | | 7d-7=2d+13 | | -6n+5=2n+77 | | 3n+5=-5n+21 | | -2x-6+1/4x-3=90 | | 4+7d=4d+19 | | -2w+7=3w-3 | | 7t+5=3t+37 | | -8-7n=-6n+3 | | 7t+5=2t+5 | | 3w+4=6w-23 | | -3t+10=6t-89 | | 8+5k=-7k+104 | | 4b+5=5b+10 | | 5w-7=-4w+11 | | 5k+7=-6k+62 | | -6+5a=4a+4 | | 6d+6=-7d+19 | | 4a+5=-2a+53 | | 6x+4=-14+4x | | 5a+3=-29+a | | -6b+5=4b+5 | | 3k-1=5k+1 | | 2d-3=d-1 | | 6x-1=90 | | 6k-9=-3k+81 | | -t+2=2t+8 | | -7b-4=-b+20 | | 1+2n=3n-4 | | d-10=2d-13 |