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Suppose 5x = 3. Find 5(2x + 3).

 Oct 12, 2022
 #1
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The answer is 21 because:

 

5x = 3

x = 3/5

 

5( 2(3/5) + 3)

5 ( 6/5 + 3)

6 + 15

21

 Oct 12, 2022

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