If it's not what You are looking for type in the equation solver your own equation and let us solve it.
81-w=8w
We move all terms to the left:
81-w-(8w)=0
We add all the numbers together, and all the variables
-9w+81=0
We move all terms containing w to the left, all other terms to the right
-9w=-81
w=-81/-9
w=+9
| (.4x)+x=120 | | 5^x-4^x=49 | | 5^x-4x=49 | | P=6(c)+12.3 | | 8x-8=2(7x+-25) | | 4(k+1)=k+10=3k | | h=3+4/5 | | h=19/5 | | x^2=125.44 | | h=9/23 | | h=5/19 | | -x+266=213 | | 194-u=126 | | h=9/2 | | 260=-u+124 | | 4x-5+2x=-2x | | 50(6+r)=475 | | (4x+8)+(2.5x-10)=180 | | 4x-9x=9x-6 | | X-0.02x=5 | | 3.5z=-17.5 | | 5x+14=3x-44 | | 38+a=3a | | 3(a-8)(a+1)=0 | | 9+a=2+2a | | x-26=140 | | 3m=2+m | | -2X^3+4x^2+16=0 | | 7-4(c-7)=80 | | x+90192109=192099111111 | | 6x+4-7x=10-2x+3-5 | | 4r^2+196=0 |