28=-x

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Solution for 28=-x equation: 



28=-x

We move all terms to the left:

28-(-x)=0

We add all the numbers together, and all the variables

-(-1x)+28=0

We get rid of parentheses

1x+28=0

We add all the numbers together, and all the variables

x+28=0

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

x=-28

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