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6a + 2a - 1 = 15

 Oct 1, 2014

Best Answer 

 #1
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+5

6a+2a-1=15 |+1

8a=16 |:2

a=2

 Oct 1, 2014
 #1
avatar
+5
Best Answer

6a+2a-1=15 |+1

8a=16 |:2

a=2

Guest Oct 1, 2014

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