-20=7-x

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Solution for -20=7-x equation:


-20=7-x

We simplify the equation to the form, which is simple to understand 
-20=7-x

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

We simplify left and right side of the equation. 
+1x=+27

We divide both sides of the equation by 01 to get x. 
x=27

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