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)
47 = 2*b+5*b+5 // - 2*b+5*b+5
47-(2*b)-(5*b)-5 = 0
47-2*b-5*b-5 = 0
42-7*b = 0 // - 42
-7*b = -42 // : -7
b = -42/(-7)
b = 6
b = 6
| 7b+7+b=-49 | | -4-6d-7d=-134 | | 5n+1-2n=10 | | 6d+9-5d=18 | | -3+3b+5b=69 | | 4b+9-2b=23 | | 4+t-4t=4 | | -3t+6+6t=21 | | 4d+9-6d=7 | | b-9+7b=79 | | 2b+1+4b=43 | | -63=-7n+n+3 | | 6m-3+3m=-66 | | 5t-5+5t=-5 | | 2k-10-3k=1 | | -130=6x+6x+2 | | -7+5a-3a=-25 | | -7x-8+x=-62 | | 30=3b+5b-10 | | -3+4x+6x=-113 | | 5a+2+4a=-16 | | 8-4n+5n=11 | | -15=7d+5d+9 | | -2-2x-7x=-47 | | 187/8-93/4 | | 10=6n-4n+6 | | 19=3a+a+3 | | 2-t-t=2 | | -52=-7d-7d-10 | | 105=4t+6t-5 | | 7=6k-2k-1 | | 9x-3(x+2)=5x+9-3x |