-2(-7x-4)-8x=-31-7x

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Solution for -2(-7x-4)-8x=-31-7x equation: 



-2(-7x-4)-8x=-31-7x

We move all terms to the left:

-2(-7x-4)-8x-(-31-7x)=0

We add all the numbers together, and all the variables

-2(-7x-4)-8x-(-7x-31)=0

We add all the numbers together, and all the variables

-8x-2(-7x-4)-(-7x-31)=0

We multiply parentheses

-8x+14x-(-7x-31)+8=0

We get rid of parentheses

-8x+14x+7x+31+8=0

We add all the numbers together, and all the variables

13x+39=0

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

13x=-39

x=-39/13

x=-3

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