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0
662
2
avatar

3 (×+2)+3×=18

 Jan 20, 2017
 #1
avatar
0

3x+6+3x=18

6x+6=18

6x=12

x=2

 Jan 20, 2017
 #2
avatar+6 
0

3x+6+3x=18

6x+6=12

x=2

 Jan 20, 2017

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