If it's not what You are looking for type in the equation solver your own equation and let us solve it.
180=9u
We move all terms to the left:
180-(9u)=0
We move all terms containing u to the left, all other terms to the right
-9u=-180
u=-180/-9
u=+20
| 1-7y=15 | | 18x=18+18+36 | | m-3-6m=-28 | | p(-25)=(-25)+5/10 | | (2+3x)°=85° | | -3/2-4/7u=-2/3 | | |4p-8|=36 | | -3m-10=-19 | | 1.5x-1=0.3x+6.2 | | 3y+40+180-70=180 | | 7x+13=8x+17 | | 7x=700 | | -3(2x-7)=24-6x | | (x+42+3x)=90 | | 100+0.20x=60+0.30x | | 4+5X=1+3x | | x+0.5=1.26 | | 1/2(x+5)=35 | | 20=-4-2x | | 75+20x=195 | | 4x-40=7(- | | 3(s−78)=12 | | 28+-2x=2-5x | | 3−v=4 | | 4x-2x=18-4 | | 0.15m+50=185 | | –n–5(–6–7n)=0 | | 39=-9-12x | | (19x+4)+(20x)=180 | | y/2=5/6 | | 6=r-11 | | 9v+2(-10v+9)=-14 |