If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3u+4=31
We move all terms to the left:
3u+4-(31)=0
We add all the numbers together, and all the variables
3u-27=0
We move all terms containing u to the left, all other terms to the right
3u=27
u=27/3
u=9
| 1/4+m=2/3 | | -x/2+3=-7 | | 3x+13+4-6x=12 | | 95+4x+3=3x+1 | | n+n=180 | | |3x-(4x-4)|=8 | | 28+4x+3=180 | | 95+3x+1=180 | | 5/6x-4=21 | | 1/2x^2+4x-3=0 | | 8/6=x/12 | | 38/100=f-32/180 | | x+x+70+x-19=180 | | 4m/3-17/21=6m-1/7 | | 5y+3=3y+1 | | x+x+115+x+20=180 | | 5-6y=-67 | | 3/4x+2=3/4x-4 | | -3x-12x-193=93 | | 7/6(3x-1)=81/3=3/2(2x-5) | | 3825=14x^2 | | Y=2x^2-16x | | 61-x+5=2(x+3)+6(x+1) | | (u-6)^2+3=31 | | • 2(5x-11)+12x=0 | | 95+3x+1=4x+3 | | 7w^2+42=98 | | 7x+1=49 | | s^2+8s+12=1 | | -12=5k=-92 | | s^2+8s+8=0 | | 21q^2+23q=0 |