-18+15=-3(x+2)

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Solution for -18+15=-3(x+2) equation: 



-18+15=-3(x+2)

We move all terms to the left:

-18+15-(-3(x+2))=0

We add all the numbers together, and all the variables

-(-3(x+2))-3=0



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

-3(x+2)

We multiply parentheses

-3x-6

Back to the equation:

-(-3x-6)



We get rid of parentheses

3x+6-3=0

We add all the numbers together, and all the variables

3x+3=0

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

3x=-3

x=-3/3

x=-1

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