-12x=3+x

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Solution for -12x=3+x equation: 



-12x=3+x

We move all terms to the left:

-12x-(3+x)=0

We add all the numbers together, and all the variables

-12x-(x+3)=0

We get rid of parentheses

-12x-x-3=0

We add all the numbers together, and all the variables

-13x-3=0

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

-13x=3

x=3/-13

x=-3/13

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