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)
9-7*x-x = -47 // + 47
9-7*x-x+47 = 0
56-8*x = 0 // - 56
-8*x = -56 // : -8
x = -56/(-8)
x = 7
x = 7
| -12=2n-4n+4 | | -5a+1+3a=7 | | 2k-3+5k=-17 | | 4w-7+7w=48 | | 3+3x-7x=31 | | 3d+10+7d=0 | | -69=-k-5k+3 | | 6t+1+2t=1 | | 10=b-7b+4 | | 4k+4+7k=48 | | -1=6x+2x-1 | | 2d-8-3d=-1 | | 3=7d-2d+3 | | -44=2t-6t+4 | | 116=5n+6n+6 | | -10+5t-3t=-28 | | 3+4a+4a=-5 | | -6a-9-6a=-81 | | 7k+8+6k=8 | | 27=7k+7k-1 | | 90=4m+7m-9 | | 11=7w-5w+1 | | -3b+4+5b=10 | | 3b+9+5b=89 | | 7w+1+w=17 | | 16=2a+3a+1 | | 7x+20=5x+16 | | 6a+10+7a=-16 | | 2n+1-7n=36 | | -6t-6+2t=-54 | | b+8+4b=23 | | 2b-8+7b=82 |