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)
7*b-2 = 13/11 // - 13/11
7*b-(13/11)-2 = 0
7*b-13/11-2 = 0
7*b-35/11 = 0 // + 35/11
7*b = 35/11 // : 7
b = 35/11/7
b = 5/11
b = 5/11
| 2b+7=-1 | | 1/2-1/2w=1/4 | | 5y-1/2=3y-2*1/2 | | (10b-6)-3(3b+3)=-3 | | 5y-1/2=3y-21/2 | | 6+1/7m=54/7 | | 1/5w+3/7=22/35 | | -1/3m+1/3=8/3 | | 2/3-4m=-130/3 | | 5/7a-8=-219/28 | | -6m+9=41/3 | | -1/5m+1=49/60 | | ba-cd=3a | | 1/2a+7=71/10 | | n+7=3n | | -5t+1/2=71/2 | | 2/3-2a=-64/3 | | 4k-10=22 | | 5k+7/10=257/10 | | 1/7x+7=193/28 | | 2t-3/8=93/8 | | 3/2+1/4-x/3=5/12 | | -1/3b+3/5=56/135 | | d-8=-65/8 | | 1-7a=3 | | 3b+4/5=49/5 | | -9-1/3w=-35/3 | | 4w-1=11 | | 4/5a+7=67/5 | | d-4=-13/4 | | 7m+7=63 | | 6/7a-9=-93/7 |