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)
4-4*b = 4*b+5/7 // - 4*b+5/7
4-4*b-(4*b)-(5/7) = 0
4-4*b-4*b-5/7 = 0
23/7-8*b = 0 // - 23/7
-8*b = -23/7 // : -8
b = -23/7/(-8)
b = 23/56
b = 23/56
| 3x/10=18 | | 6x-7=2x/9-5 | | 5/1=12/x | | 4/135=5.5/x | | 3/115=4.5/x | | 3/16=x/560 | | -4x^2-15x-14=0 | | 20/(4/5)=100/n | | 4w^2-12+5=0 | | -7(2p+4)-44=2(4p+8) | | -8(t+1)=64 | | 300x+350y=10500 | | 4(w-4)=8 | | 15/3.8+10=B | | 2x+5=55findx | | 2log^6(2x-3)=4 | | -9y^2+21y-10=0 | | 4x+4=2(x+9) | | x^2-5x=5-x | | n+48=25n | | 4w^2+w-14=0 | | (5/4)*x=15 | | 310.50=9/10*p | | -2y^2-17y-21=0 | | 72=(1/2)*a*4 | | I=7300*0.11*3 | | (t/4)=(9/3) | | 5[4(2x-9)-4(2x-6)]=7x-123 | | 2/5x=3/30 | | 4y^2+16y-33=0 | | G=J(1+rt) | | D=TX |