If it's not what You are looking for type in the equation solver your own equation and let us solve it.
54=7u+2u
We move all terms to the left:
54-(7u+2u)=0
We add all the numbers together, and all the variables
-(+9u)+54=0
We get rid of parentheses
-9u+54=0
We move all terms containing u to the left, all other terms to the right
-9u=-54
u=-54/-9
u=+6
| x2+7x=66 | | 51+8x+1+88=180 | | -9.75=9+x/3 | | 188=-v+38 | | 18+2g=22+1g | | x2+7=60 | | -3x-11+11=29 | | 6x-18=-6(x+7) | | 3(y+8)-5y=8 | | 10s=s+54 | | 5s=s+20 | | x2+11x+32=0 | | 3(x+5)=2(x-4+7 | | 4(2x+3)=3x+25 | | 5(3x-2)=2x+24 | | 7+5(x-2)=3x+8 | | 10n^2-12n=-9 | | 5x=120.5 | | 61x=-183 | | 6x-4=3x+31 | | 1/1.4x-5/3.8=-6.1/2 | | x^-10=32 | | 265-b=314 | | -8x+4+5x=-12 | | 4b-29=35 | | 12x+x=5x | | 10x=4=104 | | 2y+6=4(y+3) | | 7x^2-6x=8x^2 | | 2y=4/6 | | d=0.521.5^2 | | (d^3-5d-2)*y=0 |