If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4u-12=2u
We move all terms to the left:
4u-12-(2u)=0
We add all the numbers together, and all the variables
2u-12=0
We move all terms containing u to the left, all other terms to the right
2u=12
u=12/2
u=6
| a2=225/64 | | x+(x*1.6)+(x/1.6)=20 | | 5n-3=3n+12 | | 27=3c-27 | | 3.25x−2.5= | | 41.47=18.32+5x | | -8(-7x-7)+8=-272 | | 3x-1=2(x+2×5) | | 12-4u=2u | | 24+x/5=-16 | | 5(18+9y)=-90 | | 0.75c=15 | | 15c=0.75 | | 5x-12=-18 | | 1/2x=1+ | | c/7-6=-1 | | C=45h+25 | | 4/7=x/750 | | E^(5x)-32=96 | | -a-9=-7 | | m/4+5=-3 | | x=2+4/7 | | (8+x)^-3=64 | | m/4+5=3 | | (2x+3)(x+1)=2x^2+33 | | 2.5=4/5v | | 7x+5=5x+5+2x | | h/6+4=2 | | 2=7x-16 | | 3(2x+5)=5x+10 | | (8x)^1/3=4 | | 11k+21=43 |