81=3(u+13)

Simple and best practice solution for 81=3(u+13) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 81=3(u+13) equation: 



81=3(u+13)

We move all terms to the left:

81-(3(u+13))=0



We calculate terms in parentheses: -(3(u+13)), so:

3(u+13)

We multiply parentheses

3u+39

Back to the equation:

-(3u+39)



We get rid of parentheses

-3u-39+81=0

We add all the numbers together, and all the variables

-3u+42=0

We move all terms containing u to the left, all other terms to the right

-3u=-42

u=-42/-3

u=+14

See similar equations:

| 4800=2000+400m | | 7(c-18)=-35 | | x+4+8-x=90 | | g/2+17=29 | | t=83t-t | | 4(-2x+2)=2(x+3) | | 3x+3=5x-2=180 | | 7.5+50=x | | 5(6k+3)=-39+3k | | 1x-14=-113 | | –8q−7=–7q | | 4800=2000-400m | | 8=34x | | 7j=10+9j | | u-82/2=5 | | 1+3(7k+4)=8k-26 | | 4800+400m=2000 | | x+111+15=180 | | 162=50-x | | 3x-2+3x-10=90 | | 9b=b+40 | | 9+–9c=–45 | | 6r+6=18* | | 8(6a+2)=16-a | | 196-x=247 | | 10x-90=10x | | 4x−10=–6x | | 23+6x=53-14x | | 4c−10=–6c | | 5x+0.5x=19.5 | | 5+x=x-1 | | 134+z=22/3 |

Equations solver categories