-x-18=3x+6

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



-x-18=3x+6

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1x-(3x+6)-18=0

We get rid of parentheses

-1x-3x-6-18=0

We add all the numbers together, and all the variables

-4x-24=0

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

-4x=24

x=24/-4

x=-6

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