If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-12+-b=-6
We move all terms to the left:
-12+-b-(-6)=0
We add all the numbers together, and all the variables
-1b-6=0
We move all terms containing b to the left, all other terms to the right
-b=6
b=6/-1
b=-6
| 1x*0.28=52000 | | 12+14=100x | | 55x*28=52000 | | y+36/8=7 | | u/3-12=-9 | | 12h+7,50=451,50 | | (3x-20)/4=70 | | 3x-20/4=70 | | 150=5u+10 | | 5y=3y2+2 | | 4x+21/3=341/2 | | 2(x-4)+7=3x-5 | | 10-5w=3(w-4)-2(w+7) | | -3(d-89)=30 | | –3(d−89)=30 | | 3x+7-2x=9+2x | | 5q=3q+2q. | | p–17=2p+3 | | v/2+-5=-2 | | 19x=38+6x19 | | b/2+6=8 | | y/3-18=-16 | | x-10=4x+22 | | –2d+–3=–9 | | 65n-42=88 | | x2-1x-20=0 | | 14x+2+15x-3=180 | | 6a+6/3=14 | | 5=14x+9x | | 9x+14x=5 | | 78=3c=12-c=4 | | 5+5+x=-13 |