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)
6*x+7*x+2 = 2 // - 2
6*x+7*x-2+2 = 0
13*x = 0 // : 13
x = 0
x = 0
| 5-7x+3x=-31 | | -45=-5n-n+9 | | n+.6=192 | | 59=4b+2b+5 | | 8+6b-3b=-28 | | -4-6w+3w=-31 | | -125=6n+6n+7 | | 7+5d+3d=47 | | 10+t+t=30 | | 3=3k-2k-4 | | 5b-7+6b=70 | | 0.8/20 | | -7w+9+5w=-13 | | -2-4d-7d=9 | | -3m+2+2m=9 | | -11=3d-4d+1 | | -5b+7+b=-13 | | 10+4t-5t=9 | | -4+2d-3d=-2 | | n+.2n=20 | | -15=4a-7a+6 | | 24=-5m+7m+4 | | -89=7k+4k+10 | | 10-x-7x=-6 | | 23=-2x+5x-1 | | 4x+2+x=27 | | -4w-6-2w=24 | | n-0.2n=20 | | -m-1+7m=17 | | 65=2n+4n+5 | | -t-10-3t=-58 | | w+9-4w=-9 |