-x+2(-x-4)=13

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Solution for -x+2(-x-4)=13 equation: 



-x+2(-x-4)=13

We move all terms to the left:

-x+2(-x-4)-(13)=0

We add all the numbers together, and all the variables

-x+2(-1x-4)-13=0

We add all the numbers together, and all the variables

-1x+2(-1x-4)-13=0

We multiply parentheses

-1x-2x-8-13=0

We add all the numbers together, and all the variables

-3x-21=0

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

-3x=21

x=21/-3

x=-7

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