-28=x+21

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Solution for -28=x+21 equation:


-28=x+21

We simplify the equation to the form, which is simple to understand 
-28=x+21

We move all terms containing x to the left and all other terms to the right. 
-1x=+21+28

We simplify left and right side of the equation. 
-1x=+49

We divide both sides of the equation by -01 to get x. 
x=-49

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