4x+8x=-31+x

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Solution for 4x+8x=-31+x equation: 



4x+8x=-31+x

We move all terms to the left:

4x+8x-(-31+x)=0

We add all the numbers together, and all the variables

4x+8x-(x-31)=0

We add all the numbers together, and all the variables

12x-(x-31)=0

We get rid of parentheses

12x-x+31=0

We add all the numbers together, and all the variables

11x+31=0

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

11x=-31

x=-31/11

x=-2+9/11

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