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how did I solve the following problem:?(3.8)=9(4)-9(?)

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2 Answers

I read the problem as _____*(3.8) = 9*(4) - 9*(_____)
 
Essentially you want the right side to look like the left side. Hence a number *(number).
 
The first step is to use the distributive property.
 
Since you have a 9 in both terms, you can factor the 9 out, so it looks like 9*(4 - ____)
 
You then have ____ * (3.8) = 9*(4 - ____)
 
Does this help you fill in the blanks, or do you need the next steps?

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