If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
7*n+2 = 68-4*n // - 68-4*n
7*n-(-4*n)-68+2 = 0
7*n+4*n-68+2 = 0
11*n-66 = 0 // + 66
11*n = 66 // : 11
n = 66/11
n = 6
n = 6
| -5b+2=5b-48 | | -9+b=-4b-14 | | 3x+6=-50-4x | | 4-7k=4k-128 | | 6a+6=-6a-114 | | 2x+4=-29-x | | t+8=4t-13 | | 5k+4=6k+3 | | 5k+7=6k+11 | | 8-b=-3b+32 | | (4k+6)/5=2k | | -8-4a=7a-129 | | 7w+6=150-5w | | -6w-4=-7w+3 | | 6-4w=6w-54 | | 5x-5=-14+2x | | -t+10=4t+5 | | -6m+3=-127+7m | | 10+5d=3d+18 | | 1-6k=-2k-3 | | 4d-7=7d-25 | | 3k+4=58-6k | | -7k-7=17+5k | | 6m+2=35-5m | | 7d+2=10+5d | | -x-4=5x+8 | | a-8=-5a+4 | | -7x+3=-3-5x | | 9-4b=2b+57 | | -4d+10=5d+28 | | -4-d=-4d+5 | | 10+6k=-5k+32 |