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Mathematics 21 Online
OpenStudy (anonymous):

If two times a certain number is added to 11, the result is 20. Which of the following equations could be used to solve the problem? 2x = 20 2(x + 11) = 20 2x = 11 + 20 2x + 11 = 20

OpenStudy (anonymous):

2x + 11 = 20

OpenStudy (anonymous):

Sometimes all you have to do is read the question out loud and you'll find the answer:)

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