If it's not what You are looking for type in the equation solver your own equation and let us solve it.
27=3u+6u
We move all terms to the left:
27-(3u+6u)=0
We add all the numbers together, and all the variables
-(+9u)+27=0
We get rid of parentheses
-9u+27=0
We move all terms containing u to the left, all other terms to the right
-9u=-27
u=-27/-9
u=+3
| -3/5+21=b | | 5(x+3)=10x=-1 | | w-(1-3w)=8w1 | | 3+5x+3x=-13×6x | | 4t+30=8t+26 | | y=55-50 | | 4x2−33x−27=0 | | 2(x+3)=4x=-1 | | 3(x+6)=2(x+7) | | 2t+38=t+2 | | (10-5y)=20 | | y×-6×-3=2×y×9 | | Y=50x-50 | | -3(n)+(5)=12 | | 3+y+-6=17 | | 3(n)+(5)=12 | | 20n−–2n+3=–19 | | 7x+5=2+1/2 | | p/2-1=5 | | 13x-8=11x-3 | | 4t+18=7t+3 | | 11x-3=13x-8 | | o/5=13 | | 7t+15=4t+9 | | 2,800,000/365=x/1 | | -23=-7+4y | | t-5/6=2/3 | | 12(y+5)=7(2y+-3) | | 5y-25×=10 | | a-11/2=21/2 | | 5y-720=80 | | x-7.2=3.2 |