3u+9=-5(u+3)

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Solution for 3u+9=-5(u+3) equation: 



3u+9=-5(u+3)

We move all terms to the left:

3u+9-(-5(u+3))=0



We calculate terms in parentheses: -(-5(u+3)), so:

-5(u+3)

We multiply parentheses

-5u-15

Back to the equation:

-(-5u-15)



We get rid of parentheses

3u+5u+15+9=0

We add all the numbers together, and all the variables

8u+24=0

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

8u=-24

u=-24/8

u=-3

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