4+12x=-40-x

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Solution for 4+12x=-40-x equation: 



4+12x=-40-x

We move all terms to the left:

4+12x-(-40-x)=0

We add all the numbers together, and all the variables

12x-(-1x-40)+4=0

We get rid of parentheses

12x+1x+40+4=0

We add all the numbers together, and all the variables

13x+44=0

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

13x=-44

x=-44/13

x=-3+5/13

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