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)
x/(-7) = -1 // + 1
x/(-7)+1 = 0
1-1/7*x = 0 // - 1
-1/7*x = -1 // : -1/7
x = -1/(-1/7)
x = 7
x = 7
| 6/7+x=-1/7 | | x+9=89/9 | | x-1/2=-3/4 | | x/5=-4/5 | | 5/3=x+7/9 | | 4+x=49/10 | | 73/10=x+3/10 | | -4/7=x+3/7 | | x+4/5=24/55 | | 5/8=x-1/8 | | 5/7x=5/7 | | x-3/5=-18/5 | | -2/3x=8 | | -41/56=x-6/7 | | x+3/7=5/77 | | x/-7=-3 | | x2/3-7x1/3+6=0 | | 1/2*29*10 | | 33/5=x+6 | | 7/9+x=115/9 | | x/-3=-3 | | -4/9+x=10/99 | | x-1=-1/4 | | -x=-11/12 | | x2/5-10x1/5+9=0 | | -2/7+x=54/7 | | x+3/8=35/8 | | x/6=-5/7 | | x+2/9=-25/9 | | -1/2x=-9/20 | | -52/7=x-8 | | -1/6=x+5/6 |