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 = b+5/2-5 // - b+5/2-5
5-b-(5/2)-4 = 0
5-b-5/2-4 = 0
-b-3/2 = 0 // + 3/2
-b = 3/2 // * -1
b = -3/2
b = -3/2
| 2(5x-9)+8x=-9(x+2) | | 6n-23=3n+7 | | 3x^2-5x+4=6 | | -4=-5/2-5+b | | -4=-2/5-5+b | | 5-2(10r+4)=-9(r-7) | | 3x+2(x+5)=8045 | | -4*9*2+-5*9*-4= | | 7x-22=44 | | 7x-44=22 | | 5x^2+13x-14=-8 | | -4=5/2(-5)+b | | 0.5+13=20 | | Xcubed-4x=10 | | 7p-26/3 | | 0.3-5=-1 | | 4/5*4/5-2/5 | | 8n(4n-7)=0 | | 8a+4=4a+20 | | B=.5H(a+b) | | 13-8(x-2)=7(x-4)+46 | | 35/37=28/30 | | (x-12)(7x-7)=0 | | 2(2x-5)=x+3/3 | | 8+y=32 | | 25m^5-10m^3-m+5m-1=0 | | 13-8x-16=7x-28+46 | | 7x+5-2x=25 | | 12y-8y-4=51.40 | | 9-4a^2-4ab-b^2=0 | | 14y-10y-9=69.55 | | (2x-7)(x-1)=0 |