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)
1/4-6*b-((3/7)*b) = -2153/28 // + -2153/28
1/4-6*b-((3/7)*b)-(-2153/28) = 0
(-3/7)*b-6*b+1/4+2153/28 = 0
540/7-45/7*b = 0 // - 540/7
-45/7*b = -540/7 // : -45/7
b = -540/7/(-45/7)
b = 12
b = 12
| -367/15=-7x+5/6x+1/5 | | -6n-4+4n=-6 | | -6k+3/4+4/5k=-37/20 | | -2/5t+4/9+2/5t=4/9 | | 4d+4+d=1/9 | | 6k+2/3-k=4 | | -2/3+3/7a-a=-26/21 | | 2m+4/7+3m=179/7 | | 7/10+7x+6x=-443/110 | | 8/9+2w-4/5w=688/45 | | -2/5t+7+4/7t=479/70 | | 36=5x-4 | | 1/2+4b+4b=-63/2 | | 2x^2-24x+1= | | 7/10+n+7n=61/30 | | 3=-a+3a+1 | | 4/7+1/7t+3/5t=332/35 | | x^2+4y^2+4x-8y=0 | | 649/56=-1/7n+6n-1/8 | | 6/7t-8+3/5t=-177/20 | | -3/8+2/7w+5w=-1797/56 | | 3-1/2b-1/2b=-2 | | -214/9=5/6x+5x-4/9 | | 43/110=-3/5a+a+1/2 | | 7a+1+2/5a=153/5 | | 31/18=-1/3n-3n-1/2 | | 87/20=5x+x+3/4 | | 8+6m-5/6m=179/3 | | 839/21=-4a+3/7a+2/3 | | -2/3m+2/9+7m=238/45 | | 6a+7b=76 | | 1/2b-3/4+2/7b=-263/28 |