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2+(2a+2)=(2+2a)+a

 Aug 4, 2017
 #1
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2 + (2a + 2)  =  (2 + 2a) + a

                                                   Rearrange the second parenthesees.

2 + (2a + 2)  =  (2a + 2) + a

                                                   Subtract  (2a + 2)  from both sides.

2  =  a

                                                   smiley

 Aug 4, 2017

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