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/2 = -12 // + 12
b/2+12 = 0
1/2*b+12 = 0 // - 12
1/2*b = -12 // : 1/2
b = -12/1/2
b = -24
b = -24
| 13=3+s | | 7+2(4v-6)=-3(5v-1)+7v | | (3x+1)x=154 | | 27+4x=-6x-32 | | -4x+2=-5x+3 | | 11-6m-10=20-5m | | 4n+1-8=-3 | | 7(x-5)+11=40 | | 1/6w=206 | | 2x-9=135 | | (2)(x-4)(x-4)(x-4)=54 | | 3x-5y+11=0 | | 21=t^3 | | 2x^5+21x^4-62x^3+40x^2+12x-13=0 | | .4x-3=-1 | | 3/4w+6=5p+9 | | 6-3(3x-4)=-9 | | 21t/3 | | 1/2(x+3)-2/5(x-9)=x+9 | | 3(6s+6)-10s=2(4s+1)-3 | | (x)(x)=72 | | 3x+a+b+cdx=abx | | 4m-11=5+2m | | 30+7x+3=180 | | 3(u+9)=-3(5u-8)+3u | | 11x-1=24+12x+13 | | 9x+3=47 | | 2(x+8)-14= | | .95t+.05(100-t)=.27(100) | | 2c+15=6.2-3c | | k-5+k=-1 | | -11=4+n |