3(3+u)=-6

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



3(3+u)=-6

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

3(u+3)+6=0

We multiply parentheses

3u+9+6=0

We add all the numbers together, and all the variables

3u+15=0

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

3u=-15

u=-15/3

u=-5

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