3(u-9)=-3u-15

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Solution for 3(u-9)=-3u-15 equation: 



3(u-9)=-3u-15

We move all terms to the left:

3(u-9)-(-3u-15)=0

We multiply parentheses

3u-(-3u-15)-27=0

We get rid of parentheses

3u+3u+15-27=0

We add all the numbers together, and all the variables

6u-12=0

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

6u=12

u=12/6

u=2

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