4x+12=-2(x+9)

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Solution for 4x+12=-2(x+9) equation: 



4x+12=-2(x+9)

We move all terms to the left:

4x+12-(-2(x+9))=0



We calculate terms in parentheses: -(-2(x+9)), so:

-2(x+9)

We multiply parentheses

-2x-18

Back to the equation:

-(-2x-18)



We get rid of parentheses

4x+2x+18+12=0

We add all the numbers together, and all the variables

6x+30=0

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

6x=-30

x=-30/6

x=-5

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