-2x+(-4x)-18=3

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Solution for -2x+(-4x)-18=3 equation: 



-2x+(-4x)-18=3

We move all terms to the left:

-2x+(-4x)-18-(3)=0

We add all the numbers together, and all the variables

-2x+(-4x)-21=0

We get rid of parentheses

-2x-4x-21=0

We add all the numbers together, and all the variables

-6x-21=0

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

-6x=21

x=21/-6

x=-3+1/2

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