3x+18=-6x-36

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Solution for 3x+18=-6x-36 equation: 



3x+18=-6x-36

We move all terms to the left:

3x+18-(-6x-36)=0

We get rid of parentheses

3x+6x+36+18=0

We add all the numbers together, and all the variables

9x+54=0

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

9x=-54

x=-54/9

x=-6

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