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)
2*w-4 = 16 // - 16
2*w-16-4 = 0
2*w-20 = 0 // + 20
2*w = 20 // : 2
w = 20/2
w = 10
w = 10
| 6t+8=-52 | | -5t-4=-39 | | -4n+7=-41 | | -5+7a=44 | | -4b+7=31 | | -3k+6=-30 | | 5/9=n+1/3 | | (8-u)(2u-5)=0 | | 2y^4-14y^2+2=0 | | -2w+1=-23 | | 10+2m=14 | | 3m+5=-31 | | 9+4w=29 | | (3/4)y=51 | | 5d+12=8d-3 | | 3n+8=41 | | 7t+2=44 | | 10+5m=70 | | 4t+7=27 | | -4b+3=-33 | | 9+5w=69 | | 10n-9=9+4n | | 4w+10=-34 | | -2-4w=26 | | -10-4a=-10 | | 7n-7=28 | | 5k+3=33 | | 6+6x=-66 | | -5m+1=11 | | 4n+8=44 | | 10+7b=59 | | -5w+1=-29 |