If it's not what You are looking for type in the equation solver your own equation and let us solve it.
85=189-u
We move all terms to the left:
85-(189-u)=0
We add all the numbers together, and all the variables
-(-1u+189)+85=0
We get rid of parentheses
1u-189+85=0
We add all the numbers together, and all the variables
u-104=0
We move all terms containing u to the left, all other terms to the right
u=104
| 5x+4x-4+3x-8=180 | | ଷ଼ቀx+ସଽቁ=−ହଵቀ2x+ସହቁ | | 74+55+x+62=180 | | -2(a+6)+22=6-3a | | 20a-18=a+20 | | -5x+10=3+2x | | 7z-(1)=4z-(3) | | 20=10+2u | | 21x-2=20x+3 | | 3(x-1)=2(6-x) | | 2^3x+10=8 | | 3-2x=-x-12 | | 4=2/4v | | 2(2-2x=-3x | | v+52=7v+28 | | 6(x+4)+6=60 | | 4(d+2)=14−2(3−2d) | | 40=-8(u–6) | | 4x+25=2x+29 | | 10+3.75x=12+3.5x | | 120+2x+78=180 | | x+5#3=12 | | 5h+1=-4h+10 | | 2z-62=z | | 3(x+3)-1=87 | | 2c-26=c | | 2x+3x+130=360 | | -2(2x=1)+3x-3=-7 | | 4=2x-32 | | 2c-55=c+3 | | 2a+14=14a-22 | | 4r+14−r=−6 |