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)
2/3 = (1/3)*b // - (1/3)*b
2/3-((1/3)*b) = 0
(-1/3)*b+2/3 = 0
2/3-1/3*b = 0 // - 2/3
-1/3*b = -2/3 // : -1/3
b = -2/3/(-1/3)
b = 2
b = 2
| K^2=-9 | | (-x+3)-6=-15 | | y=(3x^2+16x) | | 3=2.70x | | 5b-3=1 | | 42=4v-10 | | 20=12.99+2.50x | | -3(1-5x)+3(-8x-2)=-4x-8x | | Sin23=x/4 | | 30-16x=46 | | (x+4)-42=-36 | | 8m+5=8 | | 5d-9=-45 | | .5x+4=.125x+88 | | 6x-2y=173 | | -8=(x+11)+(-2) | | 9-21= | | 2x=i | | Log(x)=0.66 | | (5/6)12 | | -3(2x+3)+4(3x+1)=7 | | 8x+81=12x | | -5t^2+7t-0.6=0 | | -5(c+4)=-60 | | 1/4(34)-5=3/4(34)-12 | | 1975=25(p+20) | | 0=-5m-2m | | x+(397.96-0.306x)+(583.3-0.486x)=1000 | | 7x+4+4-(7x+4)+2(7x+4)=180 | | 6x^4-48x^3+18x^2=0 | | -z^2-9z+36=0 | | -x/3-8=14 |