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3(a+3)–2(a+2) =

 Apr 29, 2017
 #1
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3(a + 3) - 2(a + 2)

 

Distribute.

= 3a + 9 - 2a - 4

 

Combine like terms.

= 1a + 5

= a + 5

 Apr 29, 2017

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