4+12=4+x

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Solution for 4+12=4+x equation: 



4+12=4+x

We move all terms to the left:

4+12-(4+x)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-(x+4)+16=0

We get rid of parentheses

-x-4+16=0

We add all the numbers together, and all the variables

-1x+12=0

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

-x=-12

x=-12/-1

x=+12

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