If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3u-u+u=9
We move all terms to the left:
3u-u+u-(9)=0
We add all the numbers together, and all the variables
3u-9=0
We move all terms containing u to the left, all other terms to the right
3u=9
u=9/3
u=3
| 6x+4=34=4x | | 34=25-(x•3) | | 12x=20-2x | | 7x+18x-4=5(5x+7) | | 2=m4− 1 | | 11c-3c-c-3c+2c=6 | | (F=9/5c+32) | | p+42+2p+p+45+2p-35+2p-27+2p-45=720 | | -4+-2y=-10 | | 10x+64-0+64=10 | | 0.59x+56=1.39 | | -3u+-1=2 | | 4x-2=7x+2 | | .50x+.40x(700-x)=310 | | 4=-2g+18 | | 0.80x+0.10(80)=0.40(48) | | 2x(x-1)=3x^2+1 | | 7w+106+12w-16+60+14w-39=540 | | 5x+20=12x+7 | | 3a-`18-a=-37+5 | | (2a+5)(a-3)=0 | | (x+8)=11 | | 1.09x+0.59=15 | | 3q−2q=17 | | -33/4x=7/10 | | 2x+7=-75 | | 3a-`18-a=37+5 | | 15x+0.59=1.09 | | 6x=4=34+4x | | 15x+1.09=0.59 | | 5(y+2)-4y=8y-)2+y | | 57=-6d+9 |