3(x+4)+18=-3x

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Solution for 3(x+4)+18=-3x equation: 



3(x+4)+18=-3x

We move all terms to the left:

3(x+4)+18-(-3x)=0

We multiply parentheses

3x-(-3x)+12+18=0

We get rid of parentheses

3x+3x+12+18=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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