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)
4*b+3/8 = 259/8 // - 259/8
4*b+3/8-(259/8) = 0
4*b+3/8-259/8 = 0
4*b-32 = 0 // + 32
4*b = 32 // : 4
b = 32/4
b = 8
b = 8
| 5x-7=-79/7 | | 2/3+6n=-4/3 | | d+5=8 | | -6x+1/5=-14/5 | | 2b+3/7=101/7 | | 2-1/2b=6 | | x^2-4i-3=0 | | 3/8-6/7m=-3/56 | | -1+5x=-19/9 | | 3x-1=13/11 | | 6m+3=69 | | 7a+1=26/5 | | 4d+10=26 | | -1/3+2/3b=-5 | | 1/5+2d=57/35 | | 2/3n-5=-1 | | m-1/5=9/5 | | x-2/5=-27/5 | | 1/3a+9=32/3 | | b-1=-3/2 | | 2y/5=4 | | 7a-9/10=321/110 | | 2w+8=13/2 | | 3/5k-3=-42/5 | | 5a-5/7=-20/7 | | 2/7a-2/3=-6/7 | | 5w+3/5=227/45 | | -2/7x+8=109/14 | | 7+6t=-29 | | 6t+4=-20 | | -6d+9/10=669/10 | | 8+1/2w=27/2 |