If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-9s=3
We move all terms to the left:
-9s-(3)=0
We move all terms containing s to the left, all other terms to the right
-9s=3
s=3/-9
s=-1/3
| 3/x+1-2/x-1=5/x^2-1 | | 30=3(x×20) | | (-x=12)+(4-x+2) | | 4x-2x=9-20x | | M+m-10=40 | | s/5.4=2.3 | | -5u+5=-2-19 | | 230+0.25x=410 | | x3+4x+-40=0 | | x+7x+2000=34,000 | | X+1=-7x-53 | | -13=7t+64 | | 6k+130+3k=229 | | -3(8+7x)=-87 | | 6y+8=24 | | 55+3y+2y=60 | | y+7.8=13.5 | | 10^(x+4)=8^(2x) | | n-7.9=0.5 | | 3(7-4x)=57 | | -7f-10=8-4 | | 4.1+c=-3.2 | | 55+x=18- | | 62.7+.25x=80 | | 14x+2x=12x | | 6+3x=4x+10 | | 40x+80x=180 | | h-11.8=13 | | 62.7/75+.25x=80/100 | | C^2-6c=-9 | | -8y+8=-6(y-3) | | 7c+20=16 |