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5(5n+9)-6(4n+10) ????????

 Sep 28, 2016
 #1
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5(5n+9) - 6(4n+10)  =

 

25n + 45 - 24n - 60  =   [ combine like terms]

 

n - 15

 

 

 

cool cool cool

 Sep 28, 2016
 #2
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=25n+45-24n-60=

n-15

 Sep 28, 2016

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