4u+15=-3(u+2)

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Solution for 4u+15=-3(u+2) equation: 



4u+15=-3(u+2)

We move all terms to the left:

4u+15-(-3(u+2))=0



We calculate terms in parentheses: -(-3(u+2)), so:

-3(u+2)

We multiply parentheses

-3u-6

Back to the equation:

-(-3u-6)



We get rid of parentheses

4u+3u+6+15=0

We add all the numbers together, and all the variables

7u+21=0

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

7u=-21

u=-21/7

u=-3

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