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)
b/9-5 = 4 // - 4
b/9-5-4 = 0
1/9*b-9 = 0 // + 9
1/9*b = 9 // : 1/9
b = 9/1/9
b = 81
b = 81
| 7-2x=9x | | 2x(4)=6(x+2) | | y+8=6(x+10) | | (X+6)+2x=180 | | 2x+24=3x-20 | | y+6=.33(x-6) | | y+1=.25(x+8) | | (3a^-3b^4/6a^3b^6)^-3 | | 3.5=0.5x | | -3-y= | | y+3=.3(x+9) | | R^2r+-33=0 | | 5x=1/5 | | 4x^4+7x^3-2x^2=0 | | -112.4q=1461.2 | | y+3=.33(x+9) | | 400=12(x+12) | | 3/4x-5/6x=1/3-5x | | y=5x^2+18 | | -1/94z=-32 | | X=(0.75+20) | | X+(5x+18)=90 | | X+(5x+18)=180 | | N+C=42 | | 3.6-1.8= | | y^2+-5y+4=0 | | 3(7x-8)=-49 | | y-10=.1(x+10) | | 4cos^2x-4cosx=1 | | 5(x-8)=3x+2(x-4) | | 6n/15n2 | | z^2-12z=-17 |