If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
3 = w-9 // - w-9
3-w+9 = 0
12-w = 0 // - 12
-w = -12 // * -1
w = 12
w = 12
| t/4=-5 | | 6=m+2 | | -1=n-8 | | d-7=-1 | | 8+a=-3 | | d+9=18 | | b/-4=-7 | | -3w=0 | | 6=a-1 | | 5+t=14 | | 8+t=12 | | 7+6n+4n= | | 2+k=12 | | 2t=24 | | 14x-20=78 | | 2+k=9 | | 4=b+9 | | 16=w+10 | | 3r+r= | | n+10=22 | | k/-7=-4 | | a+6=17 | | 3+b=-9 | | 7=w+6 | | 2+4h+3= | | 4k^2+k+44=0 | | 5(2x+3)=28 | | 4w=0 | | d/-4=-7 | | 6x^3-2x^2+4xy-2x= | | 4=a+10 | | 3-2+9k+6k= |