3(u-9)-9=6

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Solution for 3(u-9)-9=6 equation: 



3(u-9)-9=6

We move all terms to the left:

3(u-9)-9-(6)=0

We add all the numbers together, and all the variables

3(u-9)-15=0

We multiply parentheses

3u-27-15=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

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