(4)2+20=x+7

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Solution for (4)2+20=x+7 equation:


(4)2+20=x+7

We simplify the equation to the form, which is simple to understand 
(4)2+20=x+7

Reorder the terms in parentheses
(+8)+20=x+7

Remove unnecessary parentheses
+8+20=x+7

We move all terms containing x to the left and all other terms to the right. 
-1x=+7-8-20

We simplify left and right side of the equation. 
-1x=-21

We divide both sides of the equation by -01 to get x. 
x=21

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