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)
6*b+8 = 56 // - 56
6*b-56+8 = 0
6*b-48 = 0 // + 48
6*b = 48 // : 6
b = 48/6
b = 8
b = 8
| -5t+9=54 | | -2/7a+1=-3/7 | | -5n+7/10=-11/20 | | -1-6d=-49 | | 5x+3=9x+13 | | 2a-5=-10/3 | | 6/7b-5/6=-13/210 | | 3(1-x)=-2(2-x) | | 8+1/5x=33/5 | | -7w-4=-125/12 | | -2/3+1/3a=5/3 | | -8+4a=-21/2 | | 3/4+7t=283/4 | | 3/5k+1/5=22/5 | | 3w+4/9=328/9 | | -1/2+4a=87/2 | | n-5=-17/3 | | 3/7b+10=79/7 | | -6/7b-1/2=-5/154 | | 7-3/4k=19/4 | | 4+4n=34/5 | | -3/5k+5=103/20 | | 4/7t+3=17/7 | | 2t+2/3=82/33 | | 5/7n+1=16/21 | | -2x+3*(-4)=-4 | | n+4=11/3 | | 4k+9=-31 | | 6a+1=37 | | 6-9m=60 | | 3/5+2/3b=49/15 | | 1/2x-3=-25/9 |