If it's not what You are looking for type in the equation solver your own equation and let us solve it.
135=-u+204
We move all terms to the left:
135-(-u+204)=0
We add all the numbers together, and all the variables
-(-1u+204)+135=0
We get rid of parentheses
1u-204+135=0
We add all the numbers together, and all the variables
u-69=0
We move all terms containing u to the left, all other terms to the right
u=69
| 7x=234,5 | | 590x=15163 | | 220=1000x | | 260-v=99 | | 50-4r=70 | | 13800=x.50 | | y.22=1386* | | 9,5=3x+5 | | Y=-16t^2+116 | | 2y-80=10 | | 42x-300=359,4 | | 1/4h=20 | | 42-x=5 | | 13y-40=77 | | 560-3x=200 | | 15x+1=4x-10. | | 5t2-45=0 | | 85=0.40x | | 6x-6=5x+16 | | 26−5z=-49 | | 5x+9/8=37/4 | | 26−5z=−49 | | 13k+8=5k-9 | | 15x-11+6=180 | | 13y+41=132 | | 43=3d+7 | | .3y+8=14 | | 3^(2*x)=27^4 | | 20x+10(52-×)=700 | | 2(x+4.60)=25.60 | | y/8-6=-5 | | x+0.75x+(0.75x+3000000)=23000000 |