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)
-6 = b/2 // - b/2
-(b/2)-6 = 0
-1/2*b-6 = 0 // + 6
-1/2*b = 6 // : -1/2
b = 6/(-1/2)
b = -12
b = -12
| x(2x+10)=25 | | 6(p-6)+9p= | | 3x-(2x-1)=3 | | 4(x-5)+x+8=53 | | 4x-9x+9= | | -9x=-153 | | 4(x-5)=45-x | | 240*1.2= | | 4p-28/3=4 | | 6x-3=16-93 | | 62/4-14/52 | | 5/(x-3)^2=0 | | p=.04+0.8(20)+3.7 | | -74=7+9x | | 11x-7=5x+31 | | 28=x^2+6x | | x^4-x^2=4x^2+36 | | 2x^2+2x-44=0 | | 5x-8=-76-7x | | 4(3x+2(2x+5))=32 | | 4x^2-15x+4=0 | | 1s+2t=-5 | | (y/-2)=-10 | | 4x+3y-50=180 | | 4x=5-2y | | 5t^2-5T-360=0 | | -8x-30=2x | | x^2+4-15x+10=2x-2 | | 20x^2+4x-24=0 | | (X^2+3)/(X+2) | | 2(x-3)+x(2-x)=2-x^2 | | 8/3x=16 |