4=-x-12

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Solution for 4=-x-12 equation: 



4=-x-12

We move all terms to the left:

4-(-x-12)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

1x+12+4=0

We add all the numbers together, and all the variables

x+16=0

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

x=-16

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