If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4(w-81)=12
We move all terms to the left:
4(w-81)-(12)=0
We multiply parentheses
4w-324-12=0
We add all the numbers together, and all the variables
4w-336=0
We move all terms containing w to the left, all other terms to the right
4w=336
w=336/4
w=84
| 7+4x=47 | | x/2+40=3x/4 | | d/4+22=24 | | -20x=-35 | | 12.45-3.2b=-18.15-5.2b | | 6x+14=7x=5 | | 6x-9=8x+16 | | -8-4u+10=7-3u | | 37.5=10p | | 1-10b=-7-14b | | a7=9 | | x/2+40+3x/4=180 | | 5x-67=78 | | 2x/48=3/13 | | 6n-4-6=8 | | 6y-34=98 | | -13.3k=-14.1k-10.88 | | 2n-12=9n+63 | | -3-m=m-15 | | -14v=-16v-16 | | 16−2t=t+9+4t3 | | t+3t=28 | | -14+3k+6=16+5k | | r-10+7r=6r+10 | | -2x-9=3x+11 | | 3/c=7/27 | | 2y+8=-6y | | -8c-2=7-9c | | 3-5x+7=20 | | 2m-4=4+6m | | 17x-16=52 | | 27=x-(-20) |