(20-x+20)2=250

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Solution for (20-x+20)2=250 equation:


(20-x+20)2=250

We simplify the equation to the form, which is simple to understand 
(20-x+20)2=250

Reorder the terms in parentheses
(+80-2x)=250

Remove unnecessary parentheses
+80-2x=250

We move all terms containing x to the left and all other terms to the right. 
-2x=+250-80

We simplify left and right side of the equation. 
-2x=+170

We divide both sides of the equation by -2 to get x. 
x=-85

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