-15+30=-3(x+6)

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Solution for -15+30=-3(x+6) equation: 



-15+30=-3(x+6)

We move all terms to the left:

-15+30-(-3(x+6))=0

We add all the numbers together, and all the variables

-(-3(x+6))+15=0



We calculate terms in parentheses: -(-3(x+6)), so:

-3(x+6)

We multiply parentheses

-3x-18

Back to the equation:

-(-3x-18)



We get rid of parentheses

3x+18+15=0

We add all the numbers together, and all the variables

3x+33=0

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

3x=-33

x=-33/3

x=-11

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