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If 20-x=15 what is the value of 3x
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If 20-x=15 what is the value of 3x

User John Beasley
by
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2 Answers

4 votes

Answer: 15

Step-by-step explanation: 20-x=15

-x=-5

x=5

3x = 3(5)

3x = 15

User Hobbs
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4 votes


20-x=15\\-x=15-20\\-x=-5\\x=5

If x = 5 then 3x = 15 because 3(5) = 15 substitute x = 5.

User Joe Ludwig
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3.3k points
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