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(5w-15)2.1

 Aug 28, 2014

Best Answer 

 #1
avatar+3454 
+5

Looks like we want to simplify this.

The problem is though, we can't subtract 15 from 5w, because we don't know what w is!

What we have to do is use the distributive property. This says that we cant do the operation in the parentheses, we can mutliply both of the things in the partheses with the thing outside the parentheses. So, here's how we'd solve this.

 

Our final answer is 10.5w - 31.5.

 Aug 28, 2014
 #1
avatar+3454 
+5
Best Answer

Looks like we want to simplify this.

The problem is though, we can't subtract 15 from 5w, because we don't know what w is!

What we have to do is use the distributive property. This says that we cant do the operation in the parentheses, we can mutliply both of the things in the partheses with the thing outside the parentheses. So, here's how we'd solve this.

 

Our final answer is 10.5w - 31.5.

NinjaDevo Aug 28, 2014

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