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)
-(7*x)-1 = -8 // + 8
8-(7*x)-1 = 0
8-7*x-1 = 0
7-7*x = 0 // - 7
-7*x = -7 // : -7
x = -7/(-7)
x = 1
x = 1
| 3m-4=14 | | 6+2b=20 | | (2x-5)(2x-5)-4x-10x+3=0 | | 2+3m=38 | | 9(-5)+1=7(-5)-9 | | 7d-4=80 | | -4k-2=26 | | -4d-8=-48 | | 5n+5=-15 | | -3d+4=-8 | | 10x=132-2x | | 6t-6=42 | | 6b+9=45 | | 5m+7=-18 | | 7x=132-5x | | 6d-3=57 | | 2t+1=-3 | | -7+2n=5 | | -10+3t=5 | | 5a-4=41 | | 7m+4=46 | | -6d-8=10 | | -5+3t=-20 | | 1-6d=-29 | | -9k+5=-5k-5 | | 2x-2x^2=0 | | 3k+1=37 | | -6t-2=-20 | | -9k+5k=-5k-5 | | 7+4a=-41 | | 1-7m=-20 | | -2w+2=-12 |