If it's not what You are looking for type in the equation solver your own equation and let us solve it.
u+10=12.1
We move all terms to the left:
u+10-(12.1)=0
We add all the numbers together, and all the variables
u-2.1=0
We move all terms containing u to the left, all other terms to the right
u=2.1
| 4x+57=81 | | 2^3x+5=1^3x+14 | | 3+4x=-21-20x | | 1/2x-14=8 | | 50=a+7 | | -129=9v+7 | | r-9=51 | | 4.7=m-4.3 | | 7x-47=16 | | 3D=3+2d | | c-7=48 | | 11x12=14x+9 | | 8-13p=6p(6-p) | | -5(-8m-2)=5m+10 | | 21+r=38 | | -9+4t=3+7t | | 8x2.48=1.984 | | 2y=17.26 | | s+16=80 | | -3/2=6/7x-7/3 | | 7(x+9)=168 | | x+3x-3+2x=27 | | 3x–20=-12x+70 | | 5x2+15=180 | | f+6=21 | | 3x-20=-12x+70 | | (10y+24)=13y | | 15=j+2 | | d-32=140 | | (3x+13)=(8x+14) | | 10=8–y | | t-16=75 |