If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12-w=-9
We move all terms to the left:
12-w-(-9)=0
We add all the numbers together, and all the variables
-1w+21=0
We move all terms containing w to the left, all other terms to the right
-w=-21
w=-21/-1
w=+21
| 17x+4x=14-2 | | 5-c=7 | | m+6=m/3 | | -2(7x-8)=-3(4x-5) | | ((s+6)+6)=((s+6)-6) | | 172=45+1/2a | | (4+1/3)x=(5+3/7) | | 12=18-2.5h | | 12x=8x24 | | -5/7w=-20 | | 2m+6=m+4/3 | | 3x+23=-22x+23 | | 2m+6=(m+4)/3 | | 5x-30+x=120 | | 2+8n=6n+2(3+n) | | 25=-5/3y | | 4x+36=5x=36 | | 32=-14x | | -14=-2/5y | | 67x=55x | | 4-x=8x÷2 | | 36x=3x | | k+2.6=12 | | -3(2m-7)=5m-18 | | 3(3x-5)=8x+9 | | 7x+123=11x | | x^2-36=2 | | 7x-4(2x+7)=-5 | | 367.50=180+0.25x | | 25y+30=360 | | -63b^2+23b+56=0 | | 180=118-x |