<PRE><B>Question 115057</B>
STATEMENT            REASON

12-x=20-5x :         Given
12+4x=20   :        Add 5x to both sides of the equation
4x=8 :              Subtract 12 from both sides of the equation
x=2 :               Divide both sides of the equation by 4

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Cheers,
Stan H. 
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