If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-81=9w
We move all terms to the left:
-81-(9w)=0
We move all terms containing w to the left, all other terms to the right
-9w=81
w=81/-9
w=-9
| 5w-9(1-w)=0 | | 1-8/14x=46+x | | 2(x+1)=3(x-2 | | 2x+4+2x=×+10 | | x+1/x-1=3/4 | | 4x+20=4(3x-3) | | 7z+2z=45 | | y/5+7=10 | | 6+5q=1 | | 86=-4(1-5x)-2x | | -2(2x+2)=—4x-12 | | 5x-4=10x+10 | | 28x-11-16x=3(4x-5)+4 | | 7+3m=-36 | | 3x-3=5x+15 | | -6(1+8x)=138 | | -2.5=-0.25m | | 2x=19/5 | | 25x-7-19x=3(2x-3)+2 | | 728+23x=0+27x | | 3/14+x=7/12 | | -3/8w=0 | | -3-8w=0 | | 8x=10x-4 | | 10x=8x-4 | | 13-3d=- | | 10-8(2x-7)=-16x+66 | | 7•9=(7•10)-(7•n) | | Y=5x+3/x^2-16 | | 2(t-2)+2=2(2t-3) | | 5x/3=55 | | n÷36=9 |