If it's not what You are looking for type in the equation solver your own equation and let us solve it.
b in (-oo:+oo)
b/2 = -1/2 // + -1/2
b/2-(-1/2) = 0
b/2+1/2 = 0
1/2*b+1/2 = 0 // - 1/2
1/2*b = -1/2 // : 1/2
b = -1/2/1/2
b = -1
b = -1
| 10+b=13 | | 7+b=11 | | d+3/8=17/24 | | n/-4=-3/5 | | w=-1/3 | | n+2=29/10 | | k+3=8/3 | | b/-6=-3 | | -9+m=-21 | | b-4=-7/2 | | -13/35=b-4/5 | | n/-2=-1/7 | | w/2=-4 | | b+3/5=-2/5 | | t+4=16 | | d+4=10 | | n-5=-35/6 | | k-1=-7/10 | | -1/2+k=0 | | n+4/7=61/70 | | 4/5+b=29/30 | | 7=a+1 | | -33/5=a-3/5 | | n-9/10=-19/10 | | 2x+6=93-9x | | -69/7=w+1/7 | | t+7/9=13/9 | | k+2/5=39/35 | | 7t=14/5 | | 2/5b=-4/5 | | n/-7=-5 | | x/7=4/7 |